Air Cylinder Double Acting Round Bore Dia 1-1/2 In. 4 in Stroke Front Block Mount 1/4 in NPT Port Size 250 psi Max Pressure Cushion Type None -10 Degrees to 165 Degrees F Temp Range 9.69 in Overall Length Aluminum Piston Material Stainless Steel Body Material Silver Finish Aluminum End Cap Material Stainless Steel Piston Rod Material Tube Material Stainless Steel 7/16 in Rod Dia. 7/16 In.-20 UNF Rod Thread Size 0.75 in Rod Thread Length