*Pliers remove and install internal snap ring from 3/8" to 1-3/4" in diameter and external snap rings from 1/4" to 1-7/16" in diameter. *Pliers include 5 pairs of interchangeable points in the following size: 0.039" diameter , 15 degree angle; 0.039" diameter, 45 degree angle; 0.047" diameter 15 degree angle; 0.074" diameter 15 degree angle and 0.047" diameter, 90 degree angle. *Points lock securely into the jaws. *Screw type design maintains the jaw position during use.