RAM Mounts Finger Grip Holder Kit Features Universal Finger-Grip holder for cell phones 3-1/2 x 6 Mounts to your handlebar or 1/2 to 1-1/4 diameter tubing Mounts to brake reservoir or clutch reservoir clamps Hole centers have a minimum width of 0.94 and a maximum of 1.58 Includes: Finger Grip cradle, double socket arm, diamond adaptor base, standard and metric reservoir mounting hardware, stainless steel 40mm x 6mm, and u-clamp