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 ,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-head screwdriver. First remove the old one, and then buckle the 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.