Hex Socket Introduction: The hexagon is a standard size of 6.35mm. One head is a 2-hole two-slot SDS shank, the other is a hex socket. The 60mm black knurled models can support greater torque, and the 60mm and 70mm silver models have no knurling. High quality material: chrome vanadium steel, integrally formed , durable, reliable quality. Chrome vanadium steel suitable for heavy-duty impact drivers. Spring-loaded ball bearing on the head holds sockets securely. Easy to use: Flexible shield protects hand from injury when inner shaft rotates. Use a drill bit to bend, twist and turn in a confined space. Product use: It can convert electric hammer, impact drill and other original SDS connection methods into one method internal hex connection, so it can connect all types of drill heads, chamfering tools, drill bits and other hex shank tools. Wide application: excellent for work woodworking, carpentry, repair of machinery and automobile parts, etc. Nice gift for DIY enthusiasts. Features: Colors: black and silver. Inner hexagonal size: 6.35 mm. Use: impact drill and electric hammer. Advantage: impact screwdriver adapter with 2-point, 2-slot socket, hex socket. 3 pieces: Black SDS socket adapter with knurling: 60 x 13 mm (L x D). Long silver SDS socket adapter without knurling: 70 x 10 mm (L x D). Silver SDS socket adapter without knurling: 60 x 10 mm (L x D). Features: Set of 3 SDS impact driver adapters. Great tools to carry with a hammer and a drill. Perfect for use with SDS drills. The black SDS socket adapter with knurling can handle larger torque, more useful. Designed for SDS drills with their shanks SDS Plus, and they can also be used on standard drill chucks. Suitable for professional use or DIY enthusiasts. Note: 1 . Due to lighting effects or monitor's brightness/contrast settings, there may be some slight variations in the color tone of the website's photo and the actual item. 2. Please allow 1-2mm error due to manual measurement. 3. Do not turn the screws with unmatched size, in case the screws and bits are damaged. Contents: 1 x 60mm SDS socket adapter with knurling. p> 1 60 mm SDS socket adapter. 1 70 mm SDS socket adapter. ladaceae