RAM Mounts Finger Grip Holder And Socket Arm This RAM Mount Finger-Grip Cradle has a diamond base adapter which attaches to the 3 double socket arm. Made out of high a strength composite material and can be adjusted to accommodate a wide range of phones and GPS devices. The Finger Grip can be adjusted to fit anything from an iPod Nano to a Samsung Galaxy Note smart phone. Features 1 rubber ball and socket size Pair it with the RAM base mount of your choice and you'll be ready to hit the open road Here are a just a few bases that we recommend for your motorcycle: RAM Small Tough-Claw 753-334, RAM Torque Mount 753-930 or 753-929, or the RAM Mount motorcycle brake/clutch perch adapter 753-332