Adjustable hydraulic gate closer can be used to small and large gates from 150-250 lbs. This product is suitable for install on top/middle/bottom gates. Adjustable hydraulic gate closer works with left and right hand gates, it is mounts on opening side of gate. Mounting brackets and fitting bar are included. TB650W is not compatible with gates less than 30" wide. To retain product warranty and restrict gate opening angle, a gate stop must be installed.