This shoulder pad integrates into our Canon and Sony F5/55 baseplates and can be mounted to nearly any of out Camera Base Plates with a rear Quadblock. Comfortable and compact. Covered with long wearing 3/8 inch thick neoprene foam. Two 15mm rods are machined into the front of the pad allowing it be used with any 60mm spaced rail block. To the rear of the pad there are two 1/2-13 tapped holes on 60mm spacing for adding our extension rods to allow the use of other accessories to the rear of the shoulder pad.