Air Cylinder Double Acting Round Bore Dia 1-1/16 In. 4 in Stroke Rear Block Mount 1/8 in NPT Port Size 250 psi Max Pressure Cushion Type None -10 Degrees to 165 Degrees F Temp Range 8.75 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 5/16 in Rod Dia. 5/16 In.-24 UNF Rod Thread Size 0.75 in Rod Thread Length