Amtech 20 Piece Wire Brush Cleaning Set Remove Rust Metal Clean Handle Drill Bit - F3525

Brush material and size: Steel, brass, nylon - 6.35, 9.5, 12.7, 15.9, 19 and 25.4mm. Each brush has 1/4" hex drive shank. Quick release screwdriver with comfortable handle. Also includes 6" extension with quick release chuck. Suitable for numerous uses including removing carbon cleaning from internal threads or pipes and cleaning drilled holes.