Catalog number: BKA-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. ●It can be converted to a fixed type by pushing it all the way in and a swivel type by pulling it one step. ●It is very convenient for working in corners and near walls where bending angles are required. ●The shank part of the socket uses a special press-in type (PAT.), and is highly durable. Specifications: ●Drive size (mm): 12.7 ●Shaft size (mm): 6.35 ●Total length (mm): 103 ●Swivel angle (°): 15 ●Size: concave 6.35 mm to convex 12.7 mm ●Swivel and fixed type Material/Finish: ●Hexagonal shaft: CR-V steel ●Adapter: CR-V steel Caution: ●Please use an electric drill with a clutch or impact. ●Be sure to install and replace the bit.
