American DJ Dura Clamp for use with truss systems. Heavy Duty Dura -Clamp for light weight lighting fixtures Ideal for stage and special efects lighting under 20 lbs 3 x 3 x 3", fits .5" truss pipe New boxed Also have small truss pole clamps for sale in my store, reasonable BUY SEVERAL ITEMS AND SAVE BIG ON SHIPPING. PLEASE WAIT FOR ME TO COMBINE YOUR INVOICE FOR THE BEST PRICE. If you have autopay it might not automatically calculate combined shipping to the least expensive dollar, I will then refund your overage. When ordering more than one, change the quantity before finalizing your order. THANK YOU FOR SHOPPING WITH ME. TAKE YOUR TIME, BROWSE MY STORE, LOTS OF MERCHANDISE, NEW LISTINGS DAILY. I DO MY BEST TO SHIP ASAP, CHECK MY FEEDBACK. RETURNS: UPON RECEIVING YOUR ORDER, IF THERE IS AN ISSUE WITH THE ITEM/S PLEASE CONTACT ME SO WE CAN WORK OUT A SOLUTION. THANK YOU AGAIN FEEL FREE TO ASK ME QUESTIONS. THANKS