SMALLRIG Z-Shape Offset Raised Railblock for Shoulder Rig System Video Camera DSLR Camcorders - 1031 The Z-Shape Offset Raiser for 15mm rods on dslr shoulder rig. It is useful if you need to place your dslr right in front of your face. It offsets a pair of industry standard 15mm rods 60mm to the side and it raises these rods 30mm to help put the LCD screen of your camera at eye level. Adjustable Levers,Metal M5 thread Knob Screw.