RAM Motorcycle Brake/Clutch Reservoir Base with 2/1" Permanent Balls Simply attach the RAM double ball base to the brake/clutch handlebar control bracket and the possibilities become endless. Rubber ball and socket technology allows for almost infinite adjustment and perfect viewing angles. High quality materials insure your electronic device is safe, secure, and within easy reach. RAM’s patented design also dampens shock and vibration helping to extend the life of your mobile device. The base fits the control clamps on your motorcycle with either standard or metric thread stainless steel bolts, provided in the kit. The two 1" rubber balls are permanently connected. The base fits the control clamps on your motorcycle with 40mm x 6mm stainless steel hardware, provided in the kit.