Catalog number: BSA-4 Features: ●This is a socket adapter for electric, rechargeable, and impact drivers that can be attached to an electric drill to use a square drive socket with a 12.7 mm drive. ●The shank part of the socket uses a special press-in type (PAT.), and is highly durable. Uses: ●For electric, rechargeable, and impact drivers. Specifications: ●Drive socket size (mm): 12.7 ●Shaft dimensions (mm): 6.35 ●Total length (mm): 103 ●Size: concave 6.35 mm to convex 12.7 mm ●Fixed type Material/Finish: ●Hexagonal shaft: CR-V steel ●Adapter: CR-V steel Caution: ●Use an electric drill with a clutch or impact. ●Be sure to install and replace the bit.
