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Starrett Rigid-Arm Magnetic-Base Indicator Holders
The magnetic base has a flat bottom for mounting on flat metal surfaces and a magnetic release switch for easy setups.
Fine-adjustment attachment (sold separately) can be installed between the upright post and the base to give you more precise control over positioning.
Base | Upright Post | Arm | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Mounting Lug Hole Dia. | For Mounting Stem Dia. | Lg. | Wd. | Ht. | Thread Size  | Material | Magnetic Pull, lbs. | Dia. | Ht. | Lg. | Dia. | Features | Manufacturer Model Number | Each | |
Lug and Stem Mount | |||||||||||||||
| 1/4" | 1/4" | 1 57/64" | 1 5/8" | 1 29/32" | 1/4"-20 | Steel | 75 | 3/8" | 7 5/16" | 6" | 0.25" | Magnetic-Release Switch | 657AA | 00000000 | 0000000 |
| Fine Adjustment Attachment | 00000000 | Each | 000000 |