Marshalltown 12CSD Drywall Trowels High Carbon Steel 16 In (406 Mm) 4 1⁄2 In (114 Mm) Curved Durasoft® type absorbent mat roll Service Parts AIR PISTON SEAL Tip:163716 6 Service Parts AIR PISTON SEAL Ink Connection Type Threaded Diaphragm Compatible Material PTFE Diaphragm Material PTFE EPDM 2 Piece Fluid Inlet Size (in) 1 2 Fluid Inlet Thread Gender Female Fluid Inlet Thread Type NPT Fluid Outlet Size (in) 1 2 Fluid Outlet Thread Gender Female Fluid Outlet Thread Type NPT Fluid Section Material Acetal Manifold Configuration Center Port Manifold O Ring Material PTFE Material Acetal Maximum Air Consumption (SCFM) 28 Maximum Air Pressure (MPa) 0 Our professional Drywall Trowels are Made in the USA with Global Materials Choose your preferred handle material and shape