Starrett 657ME magnetic base with 25-181J dial indicator, 0-1" range, .001" graduations, jeweled bearings. The 657 Series base provides secure magnetic hold for precision measurement setups.

The Starrett 657 Set Including Magnetic Base, Upright Post Assembly and AGD Dial Indicator 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/25-181J.

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
• V-step holds base to round surfaces