Tool-free operation. Universal, quick change with all brands of hole saws. No adapters required. Durable hardened steel construction. No. 49-56-7250: Hole Size: 1-1/4 and Larger, Shank Diameter: 3/8 Hex, For Use With: Drill Chucks 3/8 and Larger, Pkg Qty: 1, Package Type: Card No. 49-56-7240: Hole Size: 1-1/4 and Larger, Shank Diameter: 7/16 Hex, For Use With: Drill Chucks 1/2 and Larger, Pkg Qty: 1, Package Type: Card No. 49-56-9100: Hole Size: 1-1/4 and Larger, Shank Diameter: 7/16 Hex, For Use With: Drill Chucks 1/2 and Larger, Pkg Qty: 1, Package Type: Card

Product Dimensions:

2.00 x 1.00 x 0.50 in

1.00 lbs

Shipping Dimensions:

7.90 x 2.90 x 0.60 in