WORKSF OR WHAT I NEED MAINLY MOUNTING SCOPES. HAVE A MUCH SMALLER PISTOL VISE WITH NYLON PADDED JAWS. MOUNTED ON A BOARD IT GOES ANYWHERE PRACTICALLY AND WE HAVE USED IT THIS SPRING/SUMMER TO OPEN THE REAR SIGHT NOTCH ON ABOUT 30 COLT PERCUSSION HAMMERS AND THIS WEEK IT HELD 12" RUGER OLD ARMIES WHILE WE FILED THE FRONT SIGHT. VERY HANDY