WATERCARBON tools120 Straight And 45-Degree elbow 2 Piece Professional Hog Ring Upholstery Installation Kit pliers Set+Hog Rings Pk Of 300- Auto Interior Install Seat Covers Professional upholstery installation kit includes professional-grade spring-loaded vinyl-dipped handles, with an extra wide grip to help reduce hand fatigue. Includes 300 hog rings (enough for 2 seat).