Complete Set & Easy Installation Are your hole saws not matching your expectations? The adjustable hole saw cutter kit replaces dozens of hole saws for faster, , and easier cutting. It can cut holes with a diameter from 1-5/8inch to 8inch, 1-5/8inch to 11-13 /16inch, and depth up to 1-1/8inch. It is a practical tool set for recessed lights, ceiling speakers, vent holes, and other hole cutting applications. Additionally, it is the perfect helper for cutting plywood, sheetrock, veneer, etc. Get ready to get a perfect cut everytime ! Adjustable Cut Hole Size Dustproof & Protective Easy to Carry & Use Applicable to Materials It's DIY kits, needs to finish by yourself. Color: Black Material: Alloy Package Contents: 1 set * cutting kit (style as shown) 1 * English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.