ProEquip Heavy Duty Syphon Pump 20LPM Sockets (Impact) Drop Forged Steel ISL_AT040 Drop Forged Steel 500 Pieces Replacement Packs Available Part # Size Pack Qty C510 1 3 16 External Tooth 50 C510 2 1 4 External Tooth 50 C510 3 5 16 External Tooth 50 C510 4 3 8 External Tooth 50 C510 5 7 16 External Tooth 20 C510 6 1 2 External Tooth 15 C510 7 5 8 External Tooth 10 C510 8 3 16 Internal Tooth 50 C510 9 1 4 Internal Tooth 50 C510 10 5 16 Internal Tooth 60 C510 11 3 8 Internal Tooth 50 C510 12 7 16 Internal Tooth 20 C510 13 1 2 Internal Tooth 15 C510 14 5 8 Internal Tooth 10 ProEquip Heavy Duty Syphon Pump 20LPM Features: RECOMMENDED USE For water based fluids detergents soaps waxes antifreeze & some mild acids DO NOT USE WITH flammable liquids concentrated acids & fluids over 60 degree C