/ Precision Measuring Tools / Precision Hand Tools / Hardness & Surface Roughness Testers / Durometer, Ultrasonic Thickness Gage and Coating Thickness Gage Accessories / RBR-30 * Not actual product image RBR-30 Calibrated Rubber Test Block 68197 3805B Digital Durometer Calibrated Rubber Test Block Rubber Test Block, Shore A 27-30, Color Red for 3805B. Features Specifications Product Testimonials Other similar products RBB-94 Calibrated Rubber Test Block RBC-63 Calibrated Rubber Test Block RBR-30 Calibrated Rubber Test Block SRB-3 Rubber Test Block Set, 3 Blocks (1 ea.: RBR-30, RBC-63, RBB-94) for 3805B Contact Starrett Features Shore A 27-30 Red color Calibration Certificate Included Specifications Made in America: Yes 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.