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A pair of new replacement Serrated Vise Jaws for the Simplex 51P and 51S vise.
A-2 Tool Steel is Heat Treated to 54-56 Rockwell. The colorful pattern on the serrated jaws happens during the Heat Treating process when nitrogen is used. After Heat Treating, these jaws are surface ground flat and then squared.
(4x) 3/8:16 Short Head Cap Screws supplied.
Made in the USA.
Length ------ 5-1/4 inch wide
Width ------ 1-3/8 inch
Thickness ---- 5/8 inch ( original was 9/16 thick
Distance between screws. 3-1/2 inch
Screw Size --- 3/8:16