CA520 | 535PC SPRING WASHER ASSORTMENT Imperial and Metric Zinc Plated. 11 Sizes: 5/32 to 3/4 & M4 to M16 I.D. 535 Pieces Replacement Packs Available Part # Size Pack Qty C520-1 5/32 (4mm) 50 C520-2 3/16 (5mm) 100 C520-3 6mm 50 C520-4 1/4 100 C520-5 5/16 (8mm) 100 C520-6 3/8 50 C520-7 7/16 25 C520-8 12mm 25 C520-9 1/2 25 C520-10 5/8 (16mm) & 3/4 5