It is a stainless steel automatic unlocking tool that is designed to pick and decode M1 and MS2 Master Padlock Keyways. Also, it is a perfect choice for a professional locksmith to use because the job can be easily completed within 3 minutes.SPECIFICATIONS:Type: 2-in-1 Pick & Decoder ToolKeyway: M1 / MS2Cross Reference: M1-BR, 1092, 1K, MS1, MAS-1, MAS1, M-1For: Master PadlockTool Spaces: 1-4Anti-Glare: YesThis tool is designed for experienced locksmiths and training is needed prior to using the tool.Click Here to view A Step-By Step Guide on How to Properly Use Your Original Lishi Tools Residential 2-In-1 Pick*even though these instructions are for KW1 tool, they will also apply to SC1Warning: The tip of this tool was designed and engineered to pick and decode of the narrow keyway. Experience and extreme care are needed during operation. The supplier may refuse the warranty claims if it is determined the breakage was caused by misuse or abuse. Please Note: This tool comes with a verification label attached to the back of each tool. That will guarantee that you are getting tools that offer only the highest level of quality. Verifying your tools is the only way to ensure that you are getting TRUE Original Lishi Tools quality and design.