Support Ring Set for 3811A Portable Hardness Tester
Includes: 1pc Universal Stand
Includes: 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
Includes: Convex Support Rings, 10-15mm round, 14.5 - 30mm round, 10-15mm square, 14.5 - 30mm square, 25-50mm square