External metal chamfering tool for deburring Drill bit deburring tool Description: Fits size: 8-32 screws (.164) to 3/4″-10 (.750)-(4mm-19mm). This tool works by shearing metal layer by layer. Low speed, no unnecessary cutting and the use of cutting oil or other lubricant will ensure its long life. Quickly tighten the bolts and tighten the nuts in place. Simplifies the repair process, eliminates the need to replace expensive or hard-to-reach equipment. High strength and hardness. Specification: material: stainless steel Color: color Product Size: Shown in the picture, 2.2 x 1 x 1 inch. Fits size: 8-32 screws (.164) to 3/4 & ; -10 (.750) - (4mm-19mm) The package includes: 1 piece. Tool for external chamfering deburring Note: This tool works by shearing metal layer by layer. Low speed, no unnecessary cutting and the use of cutting oil or other lubricant will ensure its long life.