Set of 10. Includes mounting instructions, mounting screws and re-usable plastic bucket. Sets the standard for smooth, self-closing hinge performance. Tested for durability in conditions exceeding all KCMA certification requirements and BHMS standards for cycle life, strength and finish quality. Reliable, self-closing power of dual compression springs. Made of heavy-duty steel construction. 1-Year manufacturer warranty. 2 3/4 in. L x 1 7/8 in. W (1.175 lbs.). Projection: 5/8 in.