Constructed of Heavy-Duty Steel with a HARDCOAT finish Leakproof Seal-Tight Cover Contains NEW Technical Up-to-date Pinning Chart created by G.L. Finch For Standard, Interchangeable Core and Master Ring Cylinders 67 Brass-Top Pin Sizes 51 Nickel-Silver Bottom Pin Sizes 2 Spool Pin Sizes (standard).172 & .320 Dual-View Pin Tray. Pin sizes are enlarged and printed under a clear plastic tray, both above and inside the pin pockets for easy viewing at all angles. Dimensions:21-1/2" x 8" x 1-1/2" FOLLOWER and TWEEZERS are not included. Please see below... Additional InformationClick Here for Corbin Russwin Pin Chart FAQsQ: What is the Corbin Russwin Repinning Kit?The Corbin Russwin Repinning Kit (LAB – LRCK6) is a professional locksmith toolset designed for servicing standard, interchangeable core, and master ring Corbin Russwin cylinders. It features a hardcoat-finished heavy-duty steel case and a leakproof, seal-tight cover.Q: Can beginners use the Corbin Russwin Repinning Kit?Yes, but it is primarily designed for professional locksmiths. Beginners may need additional training or guidance since the kit does not include basic tools like followers and tweezers.