Favordrory 1/4 Inch Stainless Flat Washer, 5/8 Inch Outside Diameter, 304 Stainless Steel, 100 Pieces: Amazon.com: Industrial & Scientific
Eowpower 5 Pieces Stainless Steel 304 1/4" - 20 x 1 inch Lifting Ring Eye Bolt: Amazon.com: Industrial & Scientific
2Pack Pulley Block U 304 Stainless Steel Pulley Roller, 2 Inch Heavy Duty Duplex Bearing Silent Grooved Wheel Loading 880lb/400Kg for Material Handling and Moving: Amazon.com: Industrial & Scientific