The optech usa system connectors set of 2 are spare connectors designed for super pro b straps the connectors can be used to lengthen the strap to be worn across the chest or shortened to be worn at chest level a small carrying handle can be created when the quick disconnects are latched together this item is made in the usa straps can be lengthened to be worn across the chest straps can be shortened to be worn at chest level small carrying handle can be created wh