Main motor: 40W 220V 50HZ Rotary speed: 60-/-72 RPM adjustable Sample sites: D100 MMX D8 Grinding wheel size: 50 DMMX (central hole) x13mm D16 mm, Weight: 500 g 750 g 1000 g Overall size: 220x280x300mm (length x width x height) Weight: 16 kgA.1 main engine (abrasion meter) B.Auxiliary machine (grinding machine) 1  C.1 vacuum cleaner Wear tester accessories: 1.Vacuum cleaner interface 1 2.Loading weight: Weight: 250g, 500g, 750g Balance weight of grinding wheel: 20g (pin shaft, mounted), 20g, 10g, 5g, 2g, 1g Above configuration each 2 in all 16Applicable to GB/ t15036.2-2001 GB/ t15102-94 GB/18102-2000 GB/ t4893.8-85,ISO 7784-2 ISO9352 ASTM D3884 ASTM D1175