Tension Safety Clips for Kieninger Movements For Kieninger winding arbors. Size is approx. 11mm outside diameter and 7.31mm inside diameter. Choose the quantity you want from the drop down menu above. 10 pieces $6.50 30 pieces $8.75 100 pieces $16.25 Shipping shown is for ONE item (or set) shipped within the United States. We always try to ship the same day payment is received. Please email us if you have any questions and for shipping rates. Please also note that depending on your local tax laws, may collect income tax at check out. We do ship worldwide. For international sales, please check local customs/duties for fee rates before order Combined Shipping: Ask us to send you an Invoice! We are always happy to combine shipping on multiple items. Please email us for a quote or put all desired items in your shopping cart and request a total before you pay. We will determine the weight and cost and send you a total for the order. Any combined shipping is for orders placed on the same day. Return Policy: Incorrectly ordered items must be returned at the buyers? expense and in the original condition. A refund of the purchase price will be given. Shipping is non-refundable unless the mistake is ours. In the rare case that an item is defective, we will work with you to resolve the issue. Please contact us, so we can help. Always contact us before leaving feedback or opening a case so we can work with you! Thank you for shopping with us!