Features: Designs for portable use, this Rolling Gate Wheel carriers support, preventing floor dragging and ensuring easy operations for swing or sliding metal tube gate. Constructed with rustproof metal and rubber wheel, its adjustable U bolts and grooves fit frame and pipe up to 2Inch in diameter. Ideal for homeowners, property managers, or contractors seek solution to maintain driveway chain link fence, metal gate, or swing sliding barriers. For residential driveways, commercial perimeters gate, or farm entrances where smooth gate movement on flat or slightly uneven terrain is addition. The reinforced axles and adjustable alignment bolts guaranteed straight rolling and secure latches engagement, even under prolonged heavy load conditions. Specifications: Materials: Metal, Rubber Type: As Picture Show, Four Type to Choose Size: 15.24x25.4cm/6x10inch, 20.32x25.4cm/8x10inch Package Includes: 1pc Wheel Carriers note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.