Small - 3/8" (9.5mm) diameter barrel
Medium - 7/16" (11mm) diameter barrel
All orders are processed within 1 business day. Shipping charges for your order will be calculated and displayed during the checkout process. All shipments are sent via the US Postal Service. The estimated delivery time listed is the carrier's best estimate of when a shipment will arrive at its destination. USPS does not guarantee delivery by the estimated delivery date.
International buyers – please note: Import duties, taxes, and charges aren't included in the item price or postage cost. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to buying.