HOLE DOZR BM HLSW 1-1/4" *Brand Name: Milwaukee *Sub Brand: Hole Dozer *Diameter: 1-1/4 in. *Material: Bi-Metal *Product Type: Hole Saw *Number in Package: 1 pc *Cutting Depth: 1-5/8 in. *Arbor Included: No *Usage: Cutting Holes *Compatible Arbors: Arbors with 1/2 in.- 20 thread *Quick-Change System: Yes *Packaging: Shrink Wrap *RPM Aluminum: 410 *RPM Cast Iron: 180 *RPM Mild Steel: 275 *RPM Stainless Steel: 140 *Discovery ACC, CON, NBR, SUP