GermanPolishing Wheel‎:‎ 75 mm d6‎-piece set‎,‎ contents‎:‎1 polisher1 wet grinding pad1 plastic pad ‎(‎yellow‎)‎‎,‎ soft1 plastic pad ‎(‎white‎)‎‎,‎ hard1 lambskin1 adjusting wrenchGrinding disc thread M6Cold insulated handleAir inlet thread‎:‎ 12‎,‎91 mm ‎(‎1/4″‎)‎Coupler plug‎:‎ nominal size 7.2 ‎(‎included‎)‎Hose diameter GermanPolishing Wheel‎:‎ 75 mm d6‎-piece set‎,‎ contents‎:‎1 polisher1 wet grinding pad1 plastic pad ‎(‎yellow‎)‎‎,‎ soft1 plastic pad ‎(‎white‎)‎‎,‎ hard1 lambskin1 adjusting wrenchGrinding disc thread M6Cold insulated handleAir inlet thread‎:‎ 12‎,‎91 mm ‎(‎1/4″‎)‎Coupler plug‎:‎ nominal size 7.2 ‎(‎included‎)‎Hose diameter ‎(‎recommended‎)‎‎:‎ 10 mmWorking pressure ‎(‎bar‎)‎‎:‎ 6.3Sound power level‎:‎ 94 db‎(‎A‎)‎ Lp WVibration acceleration‎:‎ 0.77 m/s2Collet chuck‎:‎ M6Total length‎:‎ 130 mmNet weight‎:‎ 0.9 kgSound pressure level‎:‎ 81 dB‎(‎A‎)‎ Lp ARevolutions per minute‎:‎ 2500Air requirement‎:‎ 113 l/min‎.‎‎(‎1.9 l/sec‎)‎