HIGH QUALITY MATERIAL-Made of high quality plastic,one-piece molding,Increased service life.Pack of 8. FIXES FOLLOWING SYMPTOMS- The roller on the bottom rack of the dishwasher is missing;The wheel on the dish washing rack is damaged;The roller on the dish washing rack deviates from the original track. COMPATIBLE WITH-Compatible with Dishwasher. Replaceable part numbers 2002711, AP4342187, PS4222532, EAP4222532, etc. EASY TO INSTALL- Before maintenance, please disconnect the power supply of the equipment and wear gloves. No tools are needed, just buckle the roller onto the dish washing rack. color: gray Material: ABS Package Contents: 8 x Dish Washer Rack Roller 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.