Stainless steel side plates place the CMI high line pulley a cut above the rest. Large diameter sheave allows a knotted 12" (12.5mm) rope to pass with ease. The sheave can be locked off to make a full strength tie off with the quick pins supplied. The CMI stainless steel side plates include a special groove providing a simple to use, secure location to store the quick release pins when not in use. The large center hole is used to support the load and will accept up to 3 carabiners. The two small holes can be used for tag line attachments. All holes are large enough to rotate a carabiners locking nut through the hole. Breaking strength 15,000 lbf. (16.7kN). Weight 3.7 lbs. (1.7kg) Made in USA