The Design House 181933 10-Pack Hollow Core Hinge Pin Door Stop is constructed of zinc and finished in oil rubbed bronze. The white stopper protects your wall and door from damage. This item measures 2.5 in. by 1.5 in. by 0.25 in. and fits 0.25 in. to 0.3 in. diameter hinge pins. This hinge pin stays securely in place and is designed for hollow core doors. This door stop includes installation hardware.