Features: This product is a convenient and practical guide post rollers, made of sturdy and durable nylon and steel material, safe to use and excellent in texture. The reasonable design makes it have a wide range of use. This product is suitable for gate assembly support. Features -Color:Golden. -Material:Steel, nylon.-Size: About15.50X6.00X4.30cm/ 6.09X2.36X1.69in.- Slide gate guide roller with L post bracket works on most slide gate types and fences.- Our nylon guide wheels are made of nylon materials, which is high density, strong toughness and not easy to deform.- Wear-resistant and high anti-corrosion. Easy to install on the post wall.- Great for your garden sliding gate and yard fence. Enhances and prevents the slide gates from falling off the tracks.- Application: Electric door on the wheel, sliding door nylon sleeve wheel, iron door by wheel, electric door guide wheel, track wheel, pulley. Packing list: 1 x L Bracket Guide Roller