Starrett 657-709Z is a 657 Series magnetic indicator holder set that includes a 709AZ dial test indicator and PT22428 swivel post snug. The magnetic base provides secure attachment to ferrous surfaces, and the swivel post allows flexible positioning of the indicator for precise measurements.

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
• With finished wood case