
Material: Premium Aluminum with Smooth Nylon Wheel Parameters: L: 9cm; W: 3cm; G: 6cm; Wheel Diameter: 3.5cm; Suitable Door Thickness: 2.5cm-5cm. Advantage: No groove needed for the door, no holes in the floor. Package: 2 Adjustable Double Door Floor Guides (1 door and 1 piece) LIFETIME WARRANTY 100% Money Back Guarantee, Step-by-step guide and experienced customer service team. We will do our best to help you. 1. Place the floor guide against the wall; 2. Draw the drilling position and drill the hole, put the green accessories; 3. Put on the small wheel first, then adjust the distance between the two wheels according to the thickness of the door. 4.Tighten the screws.