Starrett S38R - Support Ring Set for 3811A/3810A Hardness Testers
Support Ring Set for Starrett 3811A and 3810A Hardness Testers.
This set consists of: 1pc Universal Stand plus the following: Concave Support Rings: 11-13mm round, 12.5-17mm round, 16.5-30mm round, 11-13mm square, 12.5-17mm square, 16.5-30 square, Convex Support Rings10-15mm round, 14.5 ", 30mm round, 10-15mm square, 14.5" - 30mm square, 25-50mm square.