This sale is for aTektronix Tunnel Diode Risetime Tester 013-029.These items have some light scuffs and or scratches on them. The casing to one of the cords is brittle and has a bunch of small cracks in it. These items are untested and being sold as is. Please look closely at the pictures and ask any questions that you have before placing a offer. Thank you and don't forget to check out my other items.