THIS IS A QUALITY OLD SCHOOL 1/2 PEDAL TREAD TAP SET. GREAT FOR ANY BIKE WITH WORN OUT / STRIPED THREADS, REPAIR THEM WITH THIS QUALITY TAP SET FOR BOTH SIDES RIGHT AND LEFT, GREAT FOR SCHWINN STINGRAY AND OTHER BRANDS OF BIKES OLD OR NEW. QUALITY STAMPED HATAYA MADE IN JAPAN 1/2 x 20.