(1) 2 3/4 -8 Heavy Hex Nuts A194 2H Large Big Huge HEAVY DUTY 2.75-8 (7 LBS/ea)

2 3/4-8 Heavy Hex Nuts Grade A194 2H plain. Heavy Hex Nuts A194 2H. 2-3/4 High X 4-1/8 Wide.

eBay