WIN.MAX Piston Ring Service Tool Set Auto Engine Motor Cleaning Ring Expander Compressor The items you ordered will be shipped out in 1-2 business day via FedEx/DHL when your payment is clear. The arrival time is about 7 business days to United States usually. Includes Piston Compressors, A Ring Expander, Ring Groove Cleaner & Offset Phillips/Slotted Screwdrivers Three Piston Compressors: 55125mm x 75mmL, 90175mm x 90mmL, & 90175mm x 100mmL Sizes One 50130mm Capacity Ring Groove Cleaner One 50100mm Capacity Ring Expander Three Offset Phillips/Slotted Screwdrivers: 1/16" To 3/16", 2 To 2.5mm & 1.2 To 5.5mm Sizes