/ Precision Measuring Tools / Precision Hand Tools / Indicators & Gages / Indicator Accessories / 670A * Not actual product image 670A Indicator Hole Attachment 52884 670 Indicator Hole Attachment Indicator Hole Attachment, 3/8" 9.5mm Range, 13/16" 20mm Hole Depth, .375" (9.5mm) Stem Hole, 1/8" (3mm) Dia. Ball End Swivel Arms These hole attachments make it possible to measure the inside of holes and other surfaces that cannot be reached with the regular indicator spindle. Both attachments have a .375" (9.5mm) diameter hole to fit all indicators made to AGD standards and can be securely clamped to the indicator stem. The ball end on the swivel arm which contacts the work is 1/8" (3mm) in diameter. The ball end on the swivel arm which contacts the work is 1/8" (3mm) in diameter. Features Specifications 3D CAD Files / Exploded Parts Diagram Product Testimonials California Prop 65 Other similar products 670A Indicator Hole Attachment 670B Indicator Hole Attachment Contact Starrett Features Range (Approx.) 3/8" 9.5mm For Hole Depths to: 13/16" 20mm Specifications Made in America: Yes : Range (Approx.) 3/8" 9.5mm 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