DGCUS 7/8"-5" Adjustable Circle Hole Cutter Wood Drywall Drill Bit Saw Round Cutting

Description Adjustable Circle Hole Cutter Adjustable cutter cuts perfect circles in wood, plastic and light metals Durable black oxide finish Cutting depth up to 5/8" Capacity: 7/8" to 5" diameter 1/4" Shank fits most drills Package included: 1x Cutting Blades 1x Drill Bit 1x Hex Wrench Notice: 1. When drilling the hole, the two sides need to be equal in distance, if not equal, the force will be uneven. 2. Adjust the required size, be sure to use the hex wrench to tighten the screws. 3. Please don't use on steel sheet or other metal. 4. The speed of drilling must be slow, and the material of drilling does not contain iron, nails or other metal. 5. Can not be drilling the hole backwards in the ceiling, can only go vertical drilling from the top down.