STURDY MATERIAL: The spindle screws are made of steel core screws and ABS plastic, durable and reusable, which will not harm children and pets and can be used without any problems. PREMIUM LOOK: Distinctive bright orange with silver color that looks great on any safety gate. The size is 10mm x 73mm. Only suitable for M10 spindle hole (10mm). Not for 8mm screws. Y-SHAPED DESIGN: Our baby gate screws are Y-shaped, so they can better fit the stairs and be firmly fixed to the stairs. It is a good way to protect walls or stair railings. EASY TO INSTALL: It can be installed without tools. It will not damage the wall, it can be assembled quickly and easily by simply rotating the nut and generating a force that acts directly on the wall. Versatility: The spindle rod is suitable for most safety gates and railings, very good for baby gates, pet gates, stair gates, child gates, wooden stair gates, etc. This baby gate extension is only suitable for M10 spindle holes, not suitable for screws of other sizes. Please check the spindle holes of the pressure baby gate first.