This great little time saving 4 piece set is a must for any toolbox, the quality is very good and being sold at a price to suit all pockets

Features

• Four piece set includes bits for drilling pilot holes for screw sizes #6, #8, #10 and #12.
• Special designed steel counter sleeve countersinks or counter bores pilot hole.
• Adjustable counter sleeve depth with Allen wrench.
• Standard hex shank is quick change compatible.
• Drill and countersink for wood screws without changing bits.
• Drilling length can be adjusted for various length screws simply by loosening and tightening the setscrew.

Specifications

• 6# 2.38mm (0.0937 inch) x 55mm(L)
• 8# 2.78mm (0.1094 inch) x 60mm(L)
• 10# 3.175mm (0.125 inch) x 63mm(L)
• 12# 3.56mm (0.14 inch) x 65mm(L)
• Shank: 1/4 hex shank.

Includes

• 4 x Countersink Drill Bits
• 1 x Hex Shank