Professional tool for commercial or occasional use -Manufactured from solid copper to seal the sump plug not to the sump -A sump plug washer set to suit all types of engines -All contained in a compact and see through compartmented plastic case. SET INLCUDES THE FOLLOWING SIZES - 6mm x 12mm x 1mm – Total 20pc - 8mm x 14mm x 1mm – Total 20pc - 10mm x 16mm x 1mm – Total 15pc - 12mm x 18mm x 1.5mm – Total 15pc - 14mm x 20mm x 1.5mm – Total 15pc - 16mm x 22mm x 1.5mm – Total 15pc - 18mm x 24mm x 1.5mm – Total 15pc - 20mm x 27mm x 1.5mm – Total 15pc - 22mm x 29mm x 1.5mm – Total 10pc - 24mm x 32mm x 1.5mm – Total 10pc