Material:PBT,POM,ABS chrome platedTorsion:0-3N m,adjust the size according to your demandDamping oil:Dimethyl silicone oilWeight:67±2 gDirection:CW & CCWDurable rotation:a.Normal:100,000 times b.Mandatory:50,000 timesBiggest action angle:115°-- -5°Maximum useful frequency:30 cycle minutePatent No.:..3