Features: 1) Free spooling clutch. 2) Automatic braking action. 3) A pulley block supplied as a standard accessory. Specification: Rated line pull---3000 lbs(1361 kgf) Motor:----Permanent magnet,1.0kW/1.34hp(12v) Overall dimensions(L*W*H)---12"*4.1"*4.4"(305mm*105mm*112mm) Mounting bolt pattern---3.13"(79.3mm) Weight----12.8 lbs (5.8 kgs) Notice: 1) Do not use winch as a hoist,do not use for transportation of people. 2) Dont operate and spool under full load iver ine minute continuously. 3) While motor is over heating,please stop for a while to cool down. 4) Limited lifetime warranty.