Ratchet Binders utilize a screw or rotating motion with mechanical advantage to tighten and secure loads. Ratchet binders tighten slower but are easier to operate than snap binders.Size: 5/16" - 3/8"Working Load Limit: 7,100 LbsMade in USA by Columbus McKinnon, both forging and assembly done in USAHandle is designed loose using self-locking, one-way bolts allowing easy removal of unwanted debris such as mud, snow or iceProof tested to 50% of the minimum breaking strengthGears are permanently welded to the barrelDurable powder coated finishDesign factor 4:1 (except 48358 & 48387 which are 3:1)Heavy duty G70, 80 and G100 ratingsWell suited to hauling heavy machinery or coilsMeets or exceeds all CVSA and DOT requirements