Models View all GT-2 Timing Pulley (Shaft Bore-3mm , O.D - 10mm ,Teeth -15 5 121 0 Stationary Work Platform 9 75 0 Stirling Engine Design (Single Cylinder) 13 58 0 Lathe Machine & Stand 48 362 1 Manufacturing Assembly Line 16 85 0 Aluminum Trolley Rack 12 231 0