Shore Hardness Test Stand(LAC,LD) The testing principle of hardness tester is compact, more reasonable that makes the stability and the accuracy of the test, it has a further improvment. And the use of high rigidity metal platform instead of the traditional glass platform, avoid the shortcomings of fragile glass platform. Especially in the testing of hardness test D, the users do not need to equipped with special hardness blocks, make the testing more economic and convenient. LAC-J and LAC-YJ type is adapted to LX-A, LX-C hardness tester of our company's, LD -J and LD-YJ is adapted to our LX-D type hardness tester. Structure schemes: position adjustment knob star-shaped handles hardness tester trimmer wheel durometer Install stem