Groz 1 2in BSP Regulator 140CFM 4000LPM Impact Wrenches 978 Pieces Replacement Packs Available Diameter:12mm 5 16" 978 Pieces Replacement Packs Available Part # Size Pack Qty FIBRE WASHERS 1 32 Thick C400 1 1 8 x 5 16 30 C400 2 3 16 x 1 2 30 C400 3 1 4 x 9 16 50 C400 4 5 16 x 5 8 50 C400 5 3 8 x 3 4 50 C400 6 7 16 x 13 16 50 C400 7 1 2 x 7 8 50 C400 8 9 16 x 5 16 30 C400 9 5 8 x 1 30 C400 10 11 16 x 1 1 16 15 C400 11 3 4 x 1 1 8 15 C400 12 13 16 x 1 3 16 10 C400 13 7 8 x 1 3 8 10 C400 14 1 x 1 1 2 10 FIBRE WASHERS 1 16 Thick C390 1 5 32 x 5 16 45 C390 2 3 16 x 3 8 45 C390 3 7 32 x 7 16 35 C390 4 1 4 x 7 16 55 C390 5 5 16 x 1 2 50 C390 6 3 8 x 5 8 45 C390 7 7 16 x 11 16 25 C390 8 1 2 x 3 4 25 C390 9 9 16 x 13 16 20 C390 10 5 8 x 7 8 20 C390 11 11 16 x 15 16 20 C390 12 3 4 x 1 20 FIBRE DRAIN (SUMP) PLUG WASHERS 3 32 C150 1 1 2 x 3 4 40 C150 2 5 8 x 7 8 10 C150 3 3 4 x 1 1 8 30 C150 4 13 16 x 1 1 16 10 C150 5 7 8 x 1 1 4 10 C150 6 1 x 1 3 8 10 C150 8 18 x 27mm 3 C150 9 30 x 38mm 10 C150 10 14 x 20mm 10 C150 11 No 0mm Copper Washer 15pk Description Regulators step down the air line pressure & can be set at any desired pressure below the inlet air pressure Regulators work on a Diaphragm operated relieving type mechanism with pressure compensated by balanced poppet