MroMax 4Pcs 8x32x12mm White Nylon Round Bearing Flat Ball Bearing Guide Pulley Wheels Roller for Furniture Hardware Accessories

MroMax Roller Idler Bearing Pulley-8 x 32 x 12mm Sliding Conveyor Nylon Wheel with 608Z Bearing for Furniture, Hardware Accessories and Mobile Door White 4Pcs

uxcell 8mm x 200mm 304 Stainless Steel Solid Round Rod for DIY Craft - 2pcs