Master Mechanic 160370 1 -Inch, TX30, Security Torx Bit Master Mechanic, 1", TX30, Security Torx Bit, Use In Automatic Carburetors Transmission Cases, Dormitory Furniture, Outdoor Lighting Fixtures Many Other Household Applications, Bits Will Work In Regular Torx Screws As Well. Features The product is a MM 1" TX30 Torx Security Bit Purpose of use for Handtools Tool Organizers, screwdriver-bit-sets Manufactured in China Size: 1" Tx30 Hardened and tempered for longer life Handles tough torque applications Use in automatic carburetors and transmission cases, dormitory furniture, outdoor lighting fixtures and many other household applications. USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.