Factory Reconditioned 7-1/4" Hypoid Saw. Efficient hypoid gears deliver more power with greater surface contact than worm drive gears Retractable hook allows tool to remain close-by, but never in the way High quality, heat treated hypoid steel gears do not prematurely wear like traditional bronze-alloy worm drive gears Oil Bath Technology is created with a built-in fan and sealed gear housing to ensure 100% oil surface coating