The Klein Tools 53710 Adjustable Hole Saw with Auto-Set Arms offers quick and precise hole cutting from 2 in. to 7 in. in drywall and ceiling tile. This unit also features an integrated gearing mechanism for fast, simultaneous size adjustment and to ensure the pilot bit is always centered for clean cuts. The spring-loaded collar ensures controlled cuts, while the durable polypropylene dust bowl with integrated vacuum port allows for effective debris containment and effortless cleanup. Users are able to adjust the hole saw without any tools by using the dual-adjustment feature on the arms.