Simplex Replacement Screws

A set of 4 low profile socket head replacement screws for the following:
 
Simplex Vise Model (Screw Size)
 
Select your Simplex vise model, in the drop-down to the right. If you are unable to select, the item is out of stock.
 
Simplex 31P  (1/4 :20 x 5/8) 
Simplex 33  (1/4 :20 x 5/8) 
Simplex 41P  (5/16:18 x 3/4) 
Simplex 43S  (3/8:16 x 3/4) 
Simplex 51P  (3/8:16 x 3/4) 
Simplex 61CPN  (3/8:16 x 3/4)