/ Precision Measuring Tools / Precision Hand Tools / Depth Gages / Depth Gage Accessories / 648-4 * Not actual product image 648-4 Depth Gage Base with Stem Collet 65850 648 Depth Gage Bases Depth Gage Base with Stem Collet, Length 4" 4" long depth gage base with 25SC38 Stem Collet to fit 3/8" (9.5mm) stem diameter (as per AGD). Features Specifications 3D CAD Files / Exploded Parts Diagram Product Testimonials California Prop 65 Other similar products 648-1R Depth Gage Base with Stem Collet 648-4 Depth Gage Base with Stem Collet 648-6 Depth Gage Base with Stem Collet 648-8 Depth Gage Base with Stem Collet Contact Starrett Features Additional tapped holes for special collet positioning. Hardened Steel. 3/4" wide base. Specifications Made in America: Yes 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