The GearWrench 9-1/2" Heavy-Duty Combination Snap Ring Pliers (2012D) are designed to work with heavy duty snap rings. Pliers include 3 pairs of interchangeable points in the following sizes: 0.108" diameter, 15 degree angle; 0.108" diameter, 45 degree angle and 0.123" diameter, 45 degree angle. The tips are designed to have a secure lock and maintain the positions while in use. These are made with durable, high quality materials for guaranteed satisfaction.