Bitcoin Washer Stamping Jig: 16-Position Precision for Seed Phrase Backup Stamping a seed phrase onto metal is not the place for guesswork, and a jig that gives you only 12 index positions leaves too much room for crooked letters and costly mistakes. The CryptoCloaks 1 Inch Washer Stamping Jig gives you 16 precisely indexed positions around the full circumference of a standard 1-inch washer, so every character lands exactly where you intend it. Table of Contents What Is the CryptoCloaks 1 Inch Washer Stamping Jig Why CryptoCloaks Specs and Compatibility How It Compares FAQ What Is the CryptoCloaks 1 Inch Washer Stamping Jig A washer stamping jig is a small positioning tool that holds a metal washer firmly in place while you strike letter or number punches into its face. Without a jig, each punch lands wherever your eye and hammer decide, which means uneven spacing, slanted characters, and a finished backup that looks (and reads) like a mess. The jig solves that problem by giving you a fixed seat for the washer and a series of indexed notches or holes that tell you exactly where to set the punch before each strike. This jig is designed for standard 1-inch outer-diameter washers, which is the most widely used size in the bitcoin seed backup community. The 16 indexed marking spots are spaced evenly around the full 360-degree circumference, giving you more placement options than the original BlockMIT design and enough positions to stamp a full BIP39 word list abbreviation on a single washer face without running characters together. The tool ships flat, measures 3 x 3 x 0.25 inches, and weighs 2.7 ounces, so it adds almost nothing to your kit. The jig is compatible with a standard 1/8-inch (3mm) square engraving punch, the same punch size used by most dedicated seed-stamping sets on the market. If you already own a punch set for metal stamping, there is a very good chance you can put this jig to work today without buying any additional tooling. If you are building your stamping kit from scratch, pairing this jig with a set of 3mm square punches and a set of 1 inch stainless steel washers for seed stamping gives you everything you need to create a durable, fire-resistant, corrosion-resistant bitcoin seed backup. Why CryptoCloaks CryptoCloaks has been operating as a bitcoin-native shop since 2017. Ricky, the founder, personally picks, prints, and ships every order from his shop in America. That is not marketing copy. It means when you have a question about your order, you are talking to the person who made it. It means quality control does not get outsourced to a fulfillment warehouse. And it means that the verified 5-star reviews attached to this product come from real people who have used this specific jig to stamp real seed phrases, not from reviewers who received a generic product shipped from an anonymous marketplace listing. The jig is available in 17 colors: Black, Cherry Red, Red, Orange, Yellow, White, Florescent Green, Green, Dark Green, Dark Blue, Blue, Clear, Beige, Bronze, Silver, Purple, and Pink. That range is not just cosmetic. Color-coding your backup tools is a legitimate organizational strategy when you are managing wallets across multiple hardware signers or maintaining separate backups for different purposes. Picking a dedicated color for each backup context takes 10 seconds and eliminates the risk of grabbing the wrong jig mid-process. Stamping mistakes happen. A mis-strike and you break the jig. That is why the backup bundle option exists. For $4.99 you get two jigs instead of one. That is $1.98 per jig, If you break a jig you got a spare! No competitor listing on eBay or Etsy offers a comparable bundle with this kind of pricing transparency. Specs and Compatibility Outer diameter compatibility: 1 inch OD (25.4mm), fits 24mm washers Indexed marking positions: 16 Dimensions: 3 x 3 x 0.25 inches Weight: 2.7 oz Material: 3D printed Colors available: 17 (Black, Cherry Red, Red, Orange, Yellow, White, Florescent Green, Green, Dark Green, Dark Blue, Blue, Clear, Beige, Bronze, Silver, Purple, Pink) Randomly Chosen per order Punch compatibility: 1/8 inch (3mm) square engraving punch SKU: CC-BG-CRYP1INCH Back Up jig: 2 jigs for $4.99 Metal seed backups are one of the most reliable ways to protect a bitcoin wallet against loss from fire, water, or hardware failure. If you are new to the process, the Bitcoin Foundation’s guide on how to securely back up your Bitcoin wallet is a solid starting point before you pick up a punch set. Once you understand what you are protecting and why, the physical stamping process becomes straightforward, and having a precision jig like this one removes the last variable that turns a careful backup into a sloppy one. How It Compares Feature CryptoCloaks 1 Inch Washer Jig Generic eBay / Etsy Alternatives Price $4.99 $4.50 to $8.99 Indexed marking spots 16 Typically 12 (original BlockMIT style) Color options Randomly selected based on what’s printed. 1 to 2 colors Backup bundle available Yes, 2 jigs for $4.99 No Brand accountability Bitcoin-native shop, direct verified reviews, ships from America Anonymous marketplace seller, no direct contact Frequently Asked Questions What size washers fit the CryptoCloaks 1 inch stamping jig? This jig is designed to seat standard 1-inch outer-diameter (25.4mm) washers securely, and it also accommodates 24mm washers. These are the most common washer sizes used in the bitcoin seed backup community because they offer enough surface area to stamp a meaningful amount of text while remaining compact enough to store easily. Hardware store washers in this size range are widely available in stainless steel, which resists corrosion and holds up well under heat. If you want to skip the hardware store trip, CryptoCloaks sells purpose-made stainless steel washers sized specifically for this jig. When sourcing washers independently, confirm the outer diameter before purchasing because washers labeled as “1 inch” can vary slightly between manufacturers and may not seat correctly in the jig if they run oversized. Do I need a special punch set to use this jig, and what size punch does it take? The jig is designed for a standard 1/8-inch (3mm) square engraving punch, which is the most common punch size sold in dedicated bitcoin and crypto seed-stamping kits. If you already own a stamping kit for metal work, check the punch tip size first. Round punches can also work in some cases, but square-tipped punches produce cleaner, more legible characters on metal washers because the flat edges create sharper lines. You do not need any specialty bitcoin-branded tooling. A basic 3mm letter and number punch set available from most tool suppliers pairs directly with this jig. The key is consistency: use the same punch depth and hammer weight for each strike, and the 16 index positions on this jig will keep your characters aligned without any additional guesswork. Why does the bundle come with two jigs instead of one? Because stamping a seed phrase onto metal is a process where mistakes happen, and when they do, having a second jig ready matters more than you expect. The jig itself is not consumable, but it is a small 3D printed part that can crack or warp if a heavy hammer strike misses the punch and lands on the tool directly. Simply have a spare on hand without waiting on a reorder. At $4.99 for the pair, you are paying $1.98 per jig. It is the most sensible way to buy this tool if you are taking your seed backup process seriously, and no comparable bundle option exists on eBay or Etsy for this product category. Order the CryptoCloaks 1 Inch Washer Stamping Jig today and get a precision seed phrase stamping tool built by a bitcoin-native shop that has been in the space since 2017. Grab the jigs and have a spare on hand, and stamp with confidence knowing exactly where every character lands. Bitcoin accepted. Made in America. Ships in 2-3 business days.