7/8-9 HEAVY THIN ZINC

41NTU1210

3/4-10 HEAVY THIN ZINC

F41NTU285

1-3/4"-5 HEAVY THIN ZINC &

59NTU1610-2812

1 3/4-12 HEAVY THIN GR.8 PLAIN

T21NTU0616

3/8-16 HEAVY THIN TRIVALENT