Bi-Metal Hole Saw Kit, 7/8" - 2-1/2"Klein Bi Metal Hole Saw Kit This 8 piece kit is intended to cut holes in either wood or metal (including stainless steel). These powerful hole saws are designed for speed with optimized teeth patterns and time saving features such as the ability to bore completely through a wood 2x4 in a single pass. Holes saws for 7 8'', 1 1 8'', 1 3 8'', 1 3 4'', 2'' and 2 1 2'' Includes 2 arbors and carrying case Optimized teeth pattern provides more consistent