Gibraltar SC-BALRM Medium Ball Arm 10.5Mm L-Rod This Gibraltar L-rod ball arm tom mount allows secure and flexible tom positioning The Gibraltar Ball Arm Pad Mount is an all-in-one, ready-to-go 10 5mm L-rod with an ABS plastic base and an adjustable ball Mounted on 7/8" diameter vertical post The Gibraltar Ball Arm Pad Mount is an all-in-one, ready-to-go 10