Steel Ultra Ball end nipple clamps. These submission nipple clamps come as a pair, Adjust the strength and tightness of the pinch by screwing each ball. The nipple lies in between the bar and once the balls are tightened the nipple keeps the clamp in place.
This will close the pressing bars from 22 mm to 2 mm. Thanks to fine thread the dosing of pain is easy.
This results in a broader support surface and a safety distance of 2 mm.