Specifications:

• Material:Heavy duty Steel body with matte black surface, nylon small wheel and big wheel
• Total Weight:0.33lbs 
• Door Panel Thickness: Fit for 1/2"-2" Door Panel Thickness
• Easy Installation:No grooves required for the door bottom, no holes drilled in the floor.
• Package includes 1*floor guide; 2*screws; 2*plastic plugs. 

Features:

• After a long time of testing, it has become one of the customers’ favorite products.
• Simple installation, no need to punch and slot, protect your floor.
• It can be matched with single-door and double-door products to ensure smooth operation.