Designed for heavy duty professional use, the Switchblade 10 Blade Replacement Kit includes 10 blades, two feed screws, two set screws and a hex wrench. The replacement blades are made with hardened steel to increase bit life. The size is engraved on each blade.

Specifications:

Item: Feed Screw
Type: Heavy Duty, Standard
Material: Hardened Steel
Used On Power Tool: Selfeed Drill Bit