V-COIL - M20 x 1.5mm - Oil Sump Thread Repair Kit, within this kit you will receive the following: 1 x HexTap OS 5 x Screws 10 x Copper Retainer Rings 10 x Aluminium Retainer Rings Application: for the simple and fast repair of defective oil drain screw threads Recovery of rejected items for new highly stable and long-lasting internal threads with HexTap OS with oil drain screws and retainer rings made from copper or aluminium higher load capacity after the repair temperature and corrosion resistant This is not a stock item therefore please allow 1-3 working days for dispatch. As this is not kept as a stock item, this is non-returnable & non-refundable. V-COIL - M20 x 1.5mm - Oil Sump Thread Repair Kit