1. INCH,1018 steel,4step test block       

    thickness :0.100"0.200"0.400"0.600"

    size:3.15"*0.7".

2. INCH,1018 steel,4step test block       

    thickness :0.250"0.500"0.750"1.000"

    size:3.15"*0.8"

3.  MM,1018 steel,4step test block                         

    thickness :3mm/5mm/10mm/15mm 

    size:80*20mm

4. 4 STEP 304 STAINLESS STEEL ( ENGLISH INCHES )

    Thickness of each step: 0.250” 0.500” 0.750” 1.000”

    Size:3.15”X0.9”