Qty: 45pcs. Size: M3 M4 M5 M6 M8 M10. M10 x 5pcs. M4 x 10pcs. M5 x 10pcs. Fastener Type: Wing. (1 x Wing Nuts Assorted Kit). Features two stainless steel butterfly shape wings, one on each side, easy wrest the nut by hand without any other tools.
eBay