Magnetic Base w/Attachments, Rod 0.250 In

The STARRETT 657AA is a magnetic-base indicator holder used to position dial, test, back-plunger, AGD, and miniature-dial indicators. It is designed for use with all Starrett indicators in these types and also accommodates similar indicators from other manufacturers. This holder includes a magnetic base and the related attachments needed for setup, including the upright base post, snugs, rod, and indicator attachment.

Key Features of the STARRETT 657AA:

• Accessory Type: Magnetic-base indicator holder for mounting and positioning indicators.
• Base Type: Magnetic base with on/off knob for engaging the magnet.
• Holding Power: 100 lbf magnetic pull.
• Arm Type: Rigid arm construction for fixed indicator positioning.
• Compatible Mount Sizes: Fits 1/4 in and 3/8 in indicator mounts.
• Maximum Reach: 12 in reach for placing the indicator in the required position.
• Base Size: 1 7/8 in L x 1 5/8 in W x 1 15/16 in H.
• Construction: Cast iron body with black finish.
• Included Components: Magnetic base, upright post, rod, indicator attachment, snug complete with 1/4 in and 3/8 in holes, and snug with two 1/4 in holes.
• Post and Arm Dimensions: 7.5 in lower arm working length, 6 in upper arm working length, and 2 in third arm working length.