• Premium diamond hole saw kit for superior cutting performance in tile, glass, slate and marble
• 1/4" shank fits any drill or drill-press, rotary tools with 1/4" collet
• High carbon-steel shaft for strength and durability; nickel-plated to provide less resistance
• Coated with industrial-grade diamond dust for hardest cutting surface available
• Segmented blades dissipate heat better, reduce clogging. 3/4" maximum cut-depth

Quality hole saws for the most-demanding materials popular with professionals and hobbyists. Set of five hole saws in the most commonly-used smaller sizes; 5/32, 1/4, 5/16, 3/8 and 1/2". Saw length 3/4", length overall 1-3/4". One-year warranty and Jack's Tool Shed worry-free Satisfaction Guarantee.