ITEM NAME:Deburring External Chamfering Tool Deburring Tool,5Pcs Electric Hand Drill O9E8 Deburring External Chamfering Tool Deburring Tool,5Pcs Electric Hand Drill O9E8 Adjustable counter sleeve depth,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. Eliminate Damaged Extractor effective on Stainless Steel,Hardened Steel,Mild Steel,Copper,Brass,Aluminum,Fiberglass,Wood,Plastic. Quickly repairs damaged bolts and tightens the nuts in place.Simplifies the repair process,eliminates the need to replace expensive or hard-to-find hardware. Simple operation,using the lowest speed on the drill bit,and then slightly applying pressure to remove the burr. Color:silver +black +gold Material:steel Size:51*28mm Package Contents: 5 * countersunk drills 1 * wrench 1 * deburring chamfering tool