HIGH QUALITY MATERIAL - 4581DD3002A Upper Dishrack Roller Wheels. Made of high-quality plastic with one-piece molding for increased durability. Each part includes a roller and clip on axle, allowing the dishrack to slide in and out smoothly. Pack of 8. COMPATIBLE WITH - Select dishwasher models. Replaceable part numbers: 4581DD3002A, 4581DD9001B, AP4437685, 1266813, EA3523050, AH3523050, PS3523050, and others. FIX COMMON ISSUES - Replaces damaged wheels, improves rolling function, and helps prevent dishrack derailment. EASY TO INSTALL - Before installation, disconnect the power supply and wear gloves. Use a flat-head screwdriver to remove the old roller and attach the new roller to the dishwasher rack. NOTE - The actual product may vary slightly in color, which does not affect performance. Color: dark gray. Material: plastic. PACKAGE CONTENTS - 8 x Dishwasher Upper Rack Wheels. Only the listed items are included; other items are not part of this package. Please note that lighting and monitor settings may cause slight color variations. Measurement may vary by +/- 1-3 cm.