Irwin Speedbor 6-Piece Spade Bit Set Sanding fiberglass

fiberglass

Quick secure adjustments to length eliminate cumbersome shaft adustments required by manual solutions

reinforced palm and thumb with welted seams

self tapping screws are specially designed for pocket hole joinery

Wheel size 4" Arbor and bushing ID's 5/8 - 11

Irwin Speedbor 6-Piece Spade Bit Set Sanding fiberglassBlue Groove point and cutting edge for faster chip removal. Double cutting spurs scribe the outside of the hole reducing breakout. 10% larger shank for added durability. Grooved hex shank prevents slipping in drill chuck or bit extension. Bit identification is simple with easy to read size markings. Standard length. Includes sizes: 3 8', 1 2', 5 8', 3 4', 7 8', and 1'.