4 piece mini snap ring pliers set is another quality product from OTC! Small-size pliers for work in tight areas. Service S-ring and R-ring clips, internal or external, straight or angled. Ruggedly built of heat-treated chrome molybdenum steel. Set includes two internal snap ring pliers (one straight, one 45 degree) and two external snap right pliers (one straight, one 45 degree). All pliers have .038" (1.0mm) diameter tips.