stainless steel construction Built from stainless steel for rigidity and corrosion resistance. Durable metal construction gives the opener a long service life and resists water and routine wear. Precise, adjustable fit (8 mm to 52 mm) Adjustable jaw distance from 8 mm to 52 mm accommodates a wide range of watch sizes. Use the adjustment wheel to set the bit spacing precisely to match the grooves on the watch back case. Easy to use and control Smooth adjustment wheel lets you change spacing quickly and accurately, reducing slips and protecting the case edge while opening backs. Compact and portable Small footprint — 70 mm x 38 mm x 10.8 mm (L x W x H) — fits easily in a toolbox, kit, or travel pouch for onthego repairs. Reliable performance for most watches Designed to open the back cases of most watches with groovestyle backs. Robust construction maintains alignment and grip during use. Practical applications Athome battery changes: Safely and quickly open groovestyle watch backs to batteries or adjust movement components. Watchmaker or jeweler bench work: Use as a reliable, compact tool for routine case openings and inspections. Travel or mobile kits: Lightweight and compact for technicians who perform onsite adjustments or emergency repairs. What this tool solves Prevents scratches and damage from improvised tools by providing a stable, adjustable grip on the case back. Saves time with fast, predictable adjustment and secure engagement with case grooves. Reduces the need for repeated replacements thanks to corrosionresistant stainless steel construction. Specifications Material: stainless steel Adjustable jaw distance: 8 mm – 52 mm Dimensions: 70 mm x 38 mm x 10.8 mm (L x W x H) Water resistant; durable metal construction Intended use: opening groovestyle watch back cases (fits most watches) Simple to set, durable in use, and small enough to carry, this stainless steel watch case opener is a practical tool for hobbyists, technicians, and professionals who need a reliable way to open watch backs without damaging the case.