Zenesis General Purpose Blade for cutting asphalt, concrete, bricks, block, and more The Zenesis General Purpose Blade is a diamond blade made in Korea. The masonry blade is used for cutting asphalt, brick, block, concrete, and other hard materials in the construcion feild. The masonry blade is mostly used for general purpose construction and concrete. Features of Zenesis General Purpose Blade: 12mm (.472") Segment Height Keyhole slot Application: Reinforced Concrete, Brick, Block, Cured Concrete Part Number Description Seg. Height ZSM30S12N1212E 12 x .125 x 1-20MM, PH 12MM(.472") ZSM30S12N1412B 14 x .125 x 20MM 12MM(.472") ZSM30S12N1412E 14 x .125 x 1-20MM, PH 12MM(.472") ZSM30S12N1612E 16 x .125 x 1-20MM, PH 12MM(.472") ZSM30S12N2014E 20 X .140 X 1, PH 12MM(.472")