Starrett 579A Self Centering Telescoping Gauge With 2 Telescoping Arm, 5/16" - 1/2" Range, 2-3/8" Handle Length 839662006996 3-inch Mini Polisher - Direct

3-inch Mini Polisher - Direct Drive - 2

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70-180=Fine and 220-Up=Hard

Item Dimensions: 82 in

Starrett 579A Self Centering Telescoping Gauge With 2 Telescoping Arm, 5/16" - 1/2" Range, 2-3/8" Handle Length 839662006996 3-inch Mini Polisher - DirectIt has a slightly greater range and two telescoping contacts in comparison with no. 229 series Handle is rigidly attached to the contact plungers and is automatically self centering Constant spring tension gives uniform contact pressure Both plungers are easily locked at any desired setting Telescoping gauge is used for determining the true size of holes, slots, and recesses up to 6". The ends of both contact is hardened and ground to a radius to