Impact Strong increases shank stability and durability
Optimized heat treatment process strengthens the nut setter for impact resistance and stability
Certified Ergonomic case design provides grip and comfort
Five extra blades in handle
cleaner cut
Hole Saw Mandrel Arbor, 3/8-In. Windows & Window Wells Impact Strong increases shank stabilityDiablo, 3 8", hole saw mandrel arbor, snap lock hole saw mandrel with 3 8" hex arbor, 4" pilot bit, 1 2" adapter nut & 5 8" adapter nut, hole saw system & mandrel design simplify the attachment process for fast & efficient hole saw mounting, features 2 3 8" cutting depth for deeper holes in one pass, tool free plug ejection, perma shield coating for reduced friction & heat, variable tooth design, 1 size fits all mandrel fits all diablo hole saws.