... ,Safely self-locking,Heavy duty,Uniform lifting speed,small sizes,easy installation. 1.Model: RN-0.5T,1T ... precision,Safely self-locking,Heavy duty,Uniform lifting speed,small sizes,easy installation,low noise,long life,security and ... 12.Application: Machinery,Metallurgy,Construction, Irrigation, Chemical industry, Health Care, Culture, Health and Others Industries JWSS11-T Worm Gear Linear Actuator