Features:

• DOOR COMPATABILITY: Ideal for residential doors up to 1-3/8"" thick; 1/4"" radius rounded cornersADJUSTABLE CLOSING SPEED: Features a fully adjustable spring for different closing speeds depending on your preferenceTOOLS REQUIRED: A pencil for marking, a power drill, 5/64"" drill bit, and a Phillips screwdriverMAXIMUM DOOR WEIGHT: 1 hinge can hold up to 65lbs; 2 hinges can hold up to 85lbs; 3 hinges can hold up to 110lbs