This is a bottle of 50,000 Weight Diff-Lock Silicone Oil by OFNA Racing. FEATURES: This silicone oil is used in gear differential, mainly used in off- road nitro buggies. It"s used to slow and stop the differential action of the diff units, thus providing better output power to the drive train. YOU WILL RECEIVE: One Bottle of Silicone Oil 50,000 SPECIFICATIONS: Weight: 50,000 Volume: N/A kr5/21/02 ir/kh &