• Five piece set includes bits for drilling pilot holes for screw sizes #5, #6, #8, #10 and #12
• Specially 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:

• Material: steel
• Use: wood drill
• Shank: 1/4'' hex shank wrench