parallel clamps large hardened black oxide, 9 in open 7in beautiful

Description

most beautiful and largest parallel clamps i've ever seen precision ground one in square, 1/2 -20 thd  3/4 nut  black oxide perfect thread everything hardened i've owned them for years and have never used them, and they appear the toolmaker who did make them never used them also as no marks of use on them they are one in square .. perfectly straight and parallel they will wring together,, open to about 7 in and 9 in long looks to be hand stamped by maker;;f such.... beautiful , beautiful and parallel