We are Suppliers of Surface Roughness Tester basically this model is portable model this model is very accurate model also this model come from Japan. This machine''s manufacturing in Japan Only and it is very rough & tough model you can use Lab as well as work shope and this is portable model so you can carry with you easily. This machine manly use in flate surface and also you can check ID Measurement. you can check minimum ID 4 mm and also print can be possible & Data can be save in this machine and you can attach with your Laptop or Computer.