Klein's Hole Saw Arbor with Adapter can be used with all Klein hole saws. Fits all 3/8-Inch drills and larger. 5/8-Inch adapter allows use with larger hole saw diameters.Features 118 degree split point pilot bits Fast and easy to engage and disengage hole saw Steel construction for long life See 31906 Arbor with Pins for large hole saws For use with ALL Klein hole saws Arbor adapter included for use with hole saws 1-3/8-Inch (35 mm) and larger Warnings Never use on or near live electrical circuits. Read and follow safety instructions in power tool owner’s manual. Always wear approved eye protection. Shank Diameter: 3/8 in Hole Diameter: 1/4 in (0.6 cm) Overall Length: 4.5 in (11.4 cm) Depth: 4.5 in Width: 0.5 in Overall Height: 0.5 in (1.3 cm) Overall Width: 0.5 in (1.3 cm) Thread Length: 1/2-20 Shank Style: Hexagonal Material: Steel For Use With: All Klein Tools Hole Saws Application: Hole Making Style Name: Adapter Pins: No Electric Drill Size: 1/2 in and Larger Pilot Bit Type: 118 degree split point Country of Origin: China DownloadsVideo DownloadSpec SheetVideo Download