IECHO ROTARY KNIVES SUPER HARD METAL (SHM) Decagonal iECHO Knife E50/ Z50 / SHM-050 / compatible for iEcho... 0375111000SHM050SX €42.50 LONG LIFE - Long life knife. Equivalent to E50 / Z50 / HTZ-0505 but with LONG LIFE. Decagonal Knife SUPER HARD METAL (SHM) E50 / Z50 / SHM-050 / compatible for iEcho automated cutting machine. Description: Long-Life decagonal knife. Similar to E50 (HTZ-050/Z50) for cutting at very high speed and with better performance. Thickness: 0.63 mm.... Add to cart