Starrett 657E dial indicator set includes a magnetic base measuring 1-15/16 in L x 1-5/8 in W x 1-7/8 in H, a 9-1/2 in rod with 3/8 in diameter, a 7-7/16 in upright post with 3/8 in diameter, and a 25-131J dial indicator. This set provides a complete solution for precision measurement setups.

The Starrett 657 Set Including Magnetic Base has three precision ground, magnetic contact surfaces. Grips horizontally, vertically or upside down. V-step holds base to round surfaces. Extra #1/4-20 tapped hole in one side of base (not shown) for mounting post. Available with or without Starrett AGD Dial Indicators: inch reading 25-131J (graduation .0005", dial reading 0-25-0, range .125") or millimeter reading 25-181J (graduation 0.01mm, dial reading 0-50-0, range 2.5mm). Other indicators can be furnished on request. Magnetic Base with 657G/657H/657J/25-131J.

Features

• Three precision ground magnetic contact surfaces (plus V-step)
• Powerful, permanent magnetic base holds firmly to steel or iron surfaces - horizontally, vertically, upside down
• The swivel post assembly on these holders provides universal adjustment in both horizontal and vertical planes
• Rectangular base
• 3/8 in Dia clamping