A pair of new replacement Serrated Vise Jaws for the Rock Island #577 and the 597 6 inch vise's.   Check dimensions below for matching your jaws to this pair, or contact me for exact specs. 

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.

 The slot is 7/8 wide and 1/4 deep and the step is located a little more then 5/16 up from the bottom of the jaw.

(6x) 5/16:18  Short Head Cap Screws supplied.

Made in the USA.

Length:           6.04                                                           

Width:             1-3/4          

Thickness:       3/4

Boss width:     7/8

Boss depth:     1/4          

Distance between screws:  2" from center to outside hole.              

Screw Size ---  5/16:18