Self centering roller engages both heat treated jaws. Excellent release for string loops. 4-color camo anodizing. Most preferred fabric camo Saddle-cloth. Teflon coated jaws & trigger. Tool-free adjustment between trigger & strip. Release swings left or right to allow full use of hands. Comfortable Continuous Loop Power Strap fits both left & right hands of any size. Adjust trigger sensitivity in seconds. Tested on bows up to 200 lbs. of draw weight.