SOUTHERN GAGE CO.

SOUTHERN GAGE CO.

3 7/8 8 UNJ 3A THREAD RING GAGE 3.875 NO GO ONLY P.D. = 3.7870 INSPECTION TOOLS

SOUTHERN GAGE CO.

4" 8 BUTTRESS 2A BEFORE PLATE THREAD RING GAGE 4.00 GO ONLY P.D. = 3.9163 4"-8