The Redrock Micro MicroLink4 Straight Offset works with camera mounting rails to offset the camera position.• The Redrock Micro MicroLink4 Straight Offset  comes with battery grip and can be used to adjust the height of DSLR cameras so that the camera is centered in front of your eye• The Redrock Micro Offset Accessory Kit includes 1 microLink4 riser and 2 9" 15mm carbon fiber rods