THIS IS TWO NEVER USED VINTAGE CABLE CLAMPS. THEY ARE USED ON SCHWINN ROAD BIKES AND OTHERS, THIS ITEM KEEP THE CABLES TO THE FRAME. I FOUND THEM IN A SCHWINN BIKE SHOP IN THE BOX. THEY FIT MANY ROAD BIKES SUCH AS 3 SPEED BIKES AND OTHERS. THEY DO ADJUST A BIT TO FIT MANY SCHWINN FRAME AND WILL FIT TO MANY OTHER BRANDS OF BIKES.