The Vevor adjustable hole saw cutter kit is designed to cut clean, precise holes from 1-5/8" to 11-13/16" with a cutting depth up to 1-1/8". It includes a PC dust shield, replaceable pilot bits, multiple drill bits, and a storage case for organized transport. This kit is suitable for recessed lights, ceiling speakers, vent holes, and other hole-cutting applications. It can be used on materials such as plywood, sheetrock, veneer, and cement board. The adjustable design helps replace multiple fixed-size hole saws in one compact set.