/ Precision Measuring Tools / Precision Hand Tools / Indicators & Gages / Holders / 657-3 * Not actual product image 657-3 Magnetic Base Universal Indicator Holder - Arm Assembly Only 64438 657 Magnetic Bases and Holders Magnetic Base Universal Indicator Holder - Arm Assembly This versatile indicator arm has three pivots available for positioning the indicator where needed. All pivots are controlled by one tightening knob. Universal Indicator Holder Arm Assembly only. Features Specifications Downloads 3D CAD Files / Exploded Parts Diagram Product Testimonials California Prop 65 Other similar products 3657U Flex-O Post Only with Locking Lever and Snug 657-1 Magnetic Base Universal Indicator Holder with triple jointed arm and fi ne adjustment 657-2 Magnetic Base Universal Indicator Holder 657-3 Magnetic Base Universal Indicator Holder - Arm Assembly Only 657-650Z Magnetic Base Indicator Holder Set - Base and Post Assembly with 650B1 Indicator, 657S Snug, and 3 Contact Points 657-709Z Magnetic Indicator Holder Set - Base and Post Assembly with 709AZ Indicator and PT22428 Swivel Post Snug 657-811Z Magnetic Indicator Holder Set - Base and Post Assembly with 811-1Z Indicator and PT22428 Swivel Post Snug 657A Magnetic Base with Swivel Post Assembly 657AA Magnetic Base Indicator Holder - Complete Set 657B Magnetic Base and Post Assembly with 711FSAZ Last Word Indicator and PT07101F Body Clamp 657BZ Magnetic Base and Post Assembly with 711FSAZ Last Word Indicator, PT07101F Body Clamp and Wood case 657C Magnetic Base and Post Assembly with 196B1 Indicator, PT18718 Snug, 3 Contact Points, and Contact Point Adaptor 657CZ Magnetic Base and Post Assembly with 196B1 Indicator, PT18718 Snug, 3 Contact Points, Contact Point Adaptor and Wood Case 657D Magnetic Indicator Holder - Magnetic Base, Upright Post Assembly Including Post, Swivel Post Snug and Gage Holding Rod 657E Set Including Magnetic Base, Upright Post Assembly and 25-131J Dial Indicator 657EZ Set Including Magnetic Base, Upright Post Assembly, 25-131J Dial Indicator and Case 657F Magnetic Base Indicator Holder - Individual Components 657G Magnetic Base Indicator Holder - Individual Component 657H Swivel Post Snug Only 657MB Magnetic Indicator Holder Set 657MBZ Magnetic Base and Post Assembly with 711MFSZ Indicator, PT07101F Body Clamp and Wood Case 657MC Magnetic Indicator Holder Set 657MCZ Magnetic Indicator Holder Set 657ME Set Including Magnetic Base, Upright Post Assembly and AGD Dial Indicator 657MEZ Set Including Magnetic Base and Upright Post Assembly with Millimeter Reading Indicator 25-181J 657P Magnetic Base Only 657S Snug with Two 1/4" (6.3 mm) Holes 657T Flex-O-Post Indicator Holder - Magnetic Base with Flex-O-Post Assembly 657TW Flex-O-Post Indicator Holder - Magnetic Base with Flex-O-Post Assembly and Fine-Adjustment Attachment 657W Fine-Adjustment Attachment 657X Gage Rod - 1/4" (6.3mm) x 6" (150mm) 657Y Indicator Attachment PT06784-A Gage Holding Rod with Clamp Mechanism PT17850 Flex-O-Post Indicator Holder PT18318 Threaded Adaptor, for Using 657 Magnetic Base Attachments with the 659 Series Magnetic Base Contact Starrett Features Works with any indicator with a 3/8" (9.5mm) stem (such as our 25 and 650 and 651 Series) Works with any indicator with a standard dovetail mount (such as our 708, 709, and 811 Series) Works with any indicator with a 1/4" (6.3mm) shank (such as our 196 Series) Works with any indicator with a 3/16" (4.7mm) shank (such as our 708, 709, 811 and 711 Series) Works with any indicator with a body clamp (such as our 711 Series) The working area is within a hemisphere having a radius of approximately 12" (300mm) The very sensitive fi ne-adjustment is located on the magnetic base to eliminate indicator deflection when it is being adjusted The 657-3 Universal Indicator Holder Arm Assembly can also be used on the 659P Base using the 659 Thread Adaptor, PT18320 Specifications Made in America: Yes Downloads Catalog 33 - Section 5 - Dial and Electronic Indicators and Gages We offer a variety of each of the major classes: mechanical dial, electronic display, lever style test and back plunger. Indicator requirements are very specific and Starrett offers everything you need: a broad line of each indicator type, an extensive range of accessories to configure and position the gage, and as needed, an indicator-based, custom engineered solution. Precision Hand Tools (Catalog 33) 612 page catalog featuring precision hand tool, force measurement, vison systems, optical comparators, laser measurement, and flat stock. 3D CAD Files / Exploded Parts Diagram Login to see related product files. Or create an account. Product Testimonials Write a product review Write a product review Comments* First Name* Last Name* Email* Occupation The information you provide will be used in accordance with the terms of our privacy policy. I agree to the privacy policy. Please provide the required information. Thank you for submitting a product testimonial on www.starrett.com. By submitting information to Starrett, you acknowledge and give express permission for the L.S. Starrett Company to use and share your statements. California Proposition 65 Warning WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer, and birth defects or other reproductive harm. For more information go to: www.P65Warnings.ca.gov