HOB Heavy Duty Hydraulic Cylinder, Tie Rod Oil Cylinder for Mold Machine HOB40 Series (Bore 40, Rod Diameter 25) HOB40*50: 2.4 kg HOB40*100: 2.7 kg HOB40*150: 3.0 kg HOB40*200: 3.3 kg HOB40*250: 3.6 kg HOB40*300: 3.9 kg HOB50 Series (Bore 50, Rod Diameter 30) HOB50*50: 3.4 kg HOB50*100: 3.8 kg HOB50*150: 4.2 kg HOB50*200: 4.6 kg