Hole Saw Mandrel Arbor, 3/8-In. Windows & Window Wells High performance carbide for greater

High performance carbide for greater durability and up to 50X longer life versus standard bi-metal blades

Optimized heat treatment process strengthens the nut setter for impact resistance and stability

Five extra blades in handle

Certified Ergonomic case design provides grip and comfort

4" x 7" brick set is used for scoring

Hole Saw Mandrel Arbor, 3/8-In. Windows & Window Wells High performance carbide for greaterDiablo, 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.