This is a 250 MCM split bolt for copper wire. Burndy number KS29. These are brand new, clean parts. I have many other sizes available in my store. Check my feedback and buy with confidence. You can pay with a credit card by calling 800-972-7715. We have been in business for 20+ years. As with all my listings, your satisfaction is guaranteed. I can ship same day ups if the order is received before 3:30 pm central. Check my store for more fittings or contact me for items not listed.