... "/100010NOTE: LT20GC10T--Laser blade with Turbo segments for Green Concrete, dia 20"/500mm, segment height 10mm, sTandard quality. ... 90010LT40B1040"/100010NOTE: LT20A10T--Laser blade with Turbo segments for abrasive concrete Block, dia 20"/500mm, segment height 10mm, sTandard quality. ... Laser blade with Turbo segments for Asphalt over Concrete, dia 20"/500mm, segment height 10mm, sTandard quality.