HIGH QUALITY MATERIAL-4581DD3002A Upper Dishrack Roller Wheels.Made of high quality plastic,one-piece molding,Increased service life.The part includes includes roller and clip on axle,make Dishrack can and out easily.Pack of 8. COMPATIBLE WITH-for Dishwasher.Replaceable part numbers 4581DD3002A,4581DD9001B,AP4437685,1266813,EA3523050,AH3523050,PS3523050,etc. FIX THE FOLLOWING SYMPTOMS-Wheels are damaged,Dishrack is not rolling in and out properly,Dishwasher rack is easy to derail. EASY TO INSTALL- Before maintenance, please disconnect the power supply of the equipment and wear gloves. You need a flat- screwdriver. First remove the old one, and then buckle the new roller on the dishwasher. The actual product may have slight color differences or differences, which does not affect use. Color: dark gray material: plastic Package Contents: 8 x Dishwasher Upper Rack Wheels Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.