Paslode 30 Degree Pneumatic Framing Nailer Universal Fan Control x 11 arbor with Kwik lock '3798823 x 11 arbor with Kwik lock keyless blade change A: They are water resistant and washable but not fully waterproof Powerful operation can drive nails into engineered lumber Holds 74 82 nails in 2 strips Depth of drive adjustment on the tool to help save time and energy Low recoil for your convenience On board allen wrench for quick adjustment of the work contacting element and the diffuser cap Angled air inlet helps keep the hose out of the way when loading nails Center of gravity is close to the trigger to provide balance and to help minimize arm fatigue Rugged construction to help withstand use in heat over molded grip for comfortable operation