Repair parts for Original AC Gilbert and AC Gilbert  style reproduction S gauge knuckle couplers ONLY. ( Universal, hole and split style)  Contains 6 each of knuckles, springs and rivets. These parts will enable you to repair broken knuckle couplers. Buyer pays $4.65 domestic U.S. postage/handling. Shipping charges will be reduced for buyers of more than one lot ending on the same day (lots are packed immediately following each auction so different days cannot be combined). NYS residents must add 8.65% sales tax. We accept Paypal for payment.  Check out my other items and my large selection of reproduction parts, rolling stock and accessories in my eBay Store!