MagSquare Holder, 165 lb Capacity, Steel ORS NASCO Single flute cutting edge for greater Single flute cutting edge for greater control through steps Hex shank prevents slipping in drill chuck Also available with (TiN) coating for longer life New SpeedPoint tip penetrates faster than previous Unibits and prevents walking Ideal for drilling holes into thin materials such as stainless steel Foam gel interior padding for superior comfort Extended large cap absorbs pressure while supporting knee Breathable neoprene lower straps secure below the knee for comfort all day long On Off Magswitch magnet control ensures precise placement Turns all the way off and stays clean Machined at 90 degrees Magnetic grip on five sides and strong on three sides Pipe notch