/ Precision Measuring Tools / Precision Hand Tools / Indicators & Gages / Holders / 657B * Not actual product image 52745 657B Magnetic Base and Post Assembly with 711FSAZ Last Word Indicator and PT07101F Body Clamp 52745 Other similar products The Starrett 657A Magnetic Indicator Holder Set is put together for your ordering convenience, but you can mix and match other Starrett test or back-plunger indicators and attachments with the 657A Magnetic Base and Swivel Post Assembly to suit your needs. Base/Post Assembly with 711FSZ/PT07101F. Features Contact Starrett 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