Spyder 600634P 1/2-in Quick Change Hole Saw Arbors ??NEW?? Material: High Speed Steel Brand: Spyder Color: Black Style: Compact Item Weight: 0.15 Pounds Compatible Material: Wood, Plastic, Metal UPC: 884835005085 Hole Saw Accessories, Quick Change Hole Saw Arbor, Shank Size 1/2 In., Shank Shape Hex, Thread Size 1/2 In.18, Fits Hole Saw Dia. 11/2 In. to 65/8 In., Pilot Drill Size 1/4 In. dia. x 75/16 In. L, Material High Speed Steel, Replacement Pilot Drill. For use with patented Rapid Switch and Rapid Core Eject Hole Saws Immediate and effortless plug removal Smooth cuts even at low speeds Tungsten Carbide Tipped Specifications Weight: 0.49 lbs We take our reputation seriously, we buy and sell online, so we understand the value of trust! Thanks for looking at our listing and supporting our small family business! SHELF: 14 (bin 1)