2L 1/4 in Hole Saw Arbor | 4L Arbor,fits Hole Saws 9/16" (14mm) - 1 3/6" (30mm) | HOLE SAW MANDRELFeatures: Added Durability | Features hardened carbon steel for strength | Split point pilot drill for faster penetration and less walking | Starts on ContactMinimum Order: 1Standard Pack: 1EACountry Of Origin: US