Ashcroft 451379ASL04L30# Pressure Gauge, 0 to 30 psi, 1 2 in MNPT, Plastic, Black GS 3 Leather Features Mesh Back and Leather Features Mesh Back and Seat Base Style 5 Star Series Space Seating Cushion Thickness 4 1 2 in Frame Color Black Number of Casters 5 Weight Capacity 250 lb Frame Material Gun Metal Assembled Unassembled Unassembled Number of Glides 0 Includes 1 x Base5 x Casters1 x Pneumatic Cylinder1 x Seat Plate1 x Seat Cushion1 x Back Cushion4 x 1" Screws6 x 1 1 2" Screws3 x 3 4" Screws6 x Flat Washers2 x Arms Left (11L) Right (11R)1 x Headrest2 x Headrest Bolts1 x Back Support Plate (pre installed)1 x Allen Wrench Lumbar Support Yes Assembled Yes Adjustable Adjustable Shape 5 star Type Executive Chair Style Managers Chair Heat Rating 574 Degrees F Waterproof Type Gore Tex Puncture Resistant Insole No Oil Resisting Sole Yes Satra Slip Test Results Dairy Tile Dry 0 Oil and Gas 400 psi Pressure Range Type Pressure Process Connection Location Bottom Compatible Process Media Chemical and Petrochemical