Starrett 56A 56 Series small surface gage with hardened steel base, 4" spindle length, and 2 x 1-1/2" base. Designed for layout and inspection work on surface plates, providing durability and stability for precision scribing and setup tasks.

Starrett Surface Gages are designed for a wide variety of uses. This is a basic tool for machinists and toolmakers. The main uses are for accurately scribing lines, transferring measurements and for probing surfaces in inspection work. 4" Spindle, 2" x 1 1/2" Base.

Features

• Smaller base and spindle than other surface gages and is designed for lighter work
• Two frictionally held gage pins in the steel base which can be pushed down and used against the edge of a surface plate or T-slot for linear work
• Weighs only 10 oz and takes up very little space in a toolbox
• Only 1-3/8 in H, including the lower sleeve in the rocker arm
• 3/32 in Dia x 3-1/4 in L scriber
• 4 in L spindle
• 2 in L x 1-1/2 in W base
• Clamp only
• Clamp is a strong forging
• Ground bases for accurate reference surfaces
• V-Groove in the base for cylindrical work
• V-Groove on the front end which allows the spindle to adjust to any angle above or below the base
• A very positive fine adjustment through a rocker arm that makes for smooth and accurate settings
• Grooves on the side of the base for a sure and easy grip
• Nicely tapered scribers, so that you can see what you are doing