KB Upright rein terret - 2 inch ring and about 3 inches tall, 7/16 thread but can have smaller thread of 3/8th Whitworth thread put on to order. We do have a smaller rein terret of 1 5/8 ths of an inch ring inside measurmentsjust under 3 inches tall overall. Can be plated in nickel or chrome to order takes about two weeks to plate.
two in packet