Went to the hardware store to find cap nuts

M6 x 1.0 stainless steel cap nuts aka acorn nuts were $2.39 each at Ace and I need 14. They had 3 in stock. Would have been about $36.00 with tax.

Went to Amazon and got a 50 pack for $5.39 with 4.7 out of 5 star reviews and free shipping.