DescriptionMade of stainless steel, iron and copper material, durable, smooth and wear-resistant. Sturdy pulleys is waterproof and rustproof, can hold the door stably, avoid noise. As essential accessories of window door, cupboard, cabinet, etc.Features- Color:Silver.- Material: Steel + Copper +Iron- Size:5.40X1.50X0.80 cm/ 2.12X0.59X0.31 inch. - Made of steel, iron and copper material, wear-resistant, smooth, low-noise glide. - Professional and practical design with beautiful appearance, easy to install and use. - Just a few minutes to complete the installation, ensuring easy replacement. - Designed with a single roller and bracket, strong load-bearing capacity, not easy to rust and deform. - These sliding door wheels are a perfect accessory for your door, drawer or windows.