Usage: For decreasing speed, increasing torque, decreasing load inertia, increasing accuracy of positioning Characteristic: 1.Small backlash, high precision, high rigidity 2.Ratio 3~100, combining with Motor 0.1KW~5KW 3. integration of design, increase strength of structure 4.Shaft fixing with double screws 5. special surface treating of environmental resistance 6. SKIVING Process for alloy steel 7. airtight design, no need to replace lubricant 8.It can set with various type of Motor.