Dot Line's Uneven Mounting Arm is an all-aluminum Y-shaped mounting arm with two shoes that have a 1.25" (3.17 cm) difference in height. The foot has a locking screw and a 1/4-20 female thread for simplicity in attaching the mount. The total height of the arm is approximately 3" (7.62 cm). Ideal for mounting microphones, LED lights, etc. to DSLRs and camcorders.