36'' overall. Effectively cleans .22 cal.; .223 cal.; and 5.56mm firearms in one pass. Heat resistant (up to 700F) Nomex synthetic fiber construction. Acts as both a brush to loosen and a patch to capture fouling products. Molded rubberized core keeps the cleaning surface pressed against the bore. Coated solid brass threaded ends won't scratch or damage bore. Safe for all firearms. Hang packaged.