#15 Long Round Bend U-Bolt. 5/16-18 diameter and thread. I.D. 2 1/2 . Inside length 5 5/8 . Thread length 3 . For 2 pipe. Low carbon steel. Comes with hex nuts and a plate.///brand_for_product_detail=Chicago Hardware,close_out=No,companydescription=Chicago Hardware - Made in the USA,condition=New,condition_google=new,cost=1.530000,countrymade=Made in the USA,country_flag=no_selection,featured=0,flag=no_selection,identifier_exists=0,instock=in stock,is_recurring=0,madeby=Yes,madeinusa=1,manufacture_country=United States,product_image_size=Default,product_page_type=Default,shopping_ad_bestseller=No,smart_campaign_bestsellers=Smart Campaign Bestsellers,square_product_image=https://square-production.s3.amazonaws.com/files/eeef0a85a86b6794cc8d2b34ce272c2539994046/original.jpeg,store_price=2.150000,sw_featured=No,sync_update_msg=Modified in Magento by harryepstein on 27/03/2017,url_path=15l-long-round-bend-u-bolt