Feature ※Combination high quality ABS Plastic and Stainless steel,Safety, durable and reusable.BEST 10mm BABY GATE ADAPTOR ※Stable: Make your Baby gates More Stable and do not failing over. ※Wall protection can slow down the wall pressure to protect the walls ,and increase friction to stabilize the gate, make it more secure. ※No tools required for installation. They are Compatible with Security Gates Easily fitted to railings, rungs, and banisters Notice: Make sure that your spindle holes of gates can fit the bolts. (Diameter: 10mm) To Installation: 1. Rotate the adjustment wheels along the threading to make it into a right situation, eliminating the gap between the adjustmet wheel and the rubber foot. 2. Insert all 4 threaded spindle rods into the holes at each of the 4 corners of your Baby Gate. 3. Position the gate and make sure it is level and keep a good position with stair railing and then rotate the adjustment wheels which on the threaded spindle rods to make it into a right situation. Package Included: 4 x Screw Mounted bolts