Carbide and HSS Backer, 150 mm cutting length x 38 mm (1-1/2") tall.

Price includes 2 pieces which assembles to make one knife.  You will get a steel corrugated backer and a matching thin carbide knife which mates together to form a 2 piece corruagted back carbide cutting tool. The assembled unit requires a pocket which can accept 10mm or 3/8" thick knives.