FunctionTo clean and re-cutting the injector compatible for seats when changing injectors. This injector compatible for seat cutter set allows the user to reface the seats, in order to fit the new or reconditioned injector correctly. Compatible for Case Color : random shippedParcel including1 pc 15.5mm x 15.5mm angled reamer 1 pc 17mm x 17mm angled reamer 1 pc 17mm x 21mm angled reamer 1 pc 14mm x 14mm flat reamer 1 pc 15mm x 15mm flat reamer 1 pc 15mm x 19mm flat reamer 1 pc 17mm x 17mm flat reamer 1 pc 17 mm x 17.5mm flat reamer 1 pc 17 mm x 19mm flat reamer 1 pc 17mm x 19.5mm flat reamer 1 pc 17mm x 20mm flat reamer 1 pc 17.5mm x 20.5mm flat reamer 1 pc 19mm x 21.5mm flat reamer 1 pc T handle 1 pc Pilo Post 1 pc 15.5mm x 225mm Cutter 1 pc 2.5mm Hex Key