Sign holder clamp friction fit for square tube(0)No Reviews yet Pinit $2.25 Quantity discounts available QuantityPrice SKU: 10704 ITEM WEIGHT (LBS): 0.16 Quantity -+ Add to Cart Details Friction sign clamp slides over 1" square tubing. Threaded for Details Back DetailsFriction sign clamp slides over 1" square tubing. Threaded for 3/8 inch stems. Clamp is 4" x 1" x 1-1/4" Chrome. See MoreSee Less Reviews 0 Back Ratings & ReviewsNo reviews availableBe the first to Write a Review