20pc wire brush cleaning kit

• 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