Check the listing for details. BSI Bob Smith CA Glue Replacement Tops - 6 Pack #312. Condition: New. Listed at 3.99 USD. BSI Bob Smith CA Glue Replacement Tops - 6 Pack #312 Replacement top that is on all of BSI's non-Pocket CAs. Tops can be soaked in acetone overnight to remove any buildup of CA on the inside and outside of the nozzle. Combine Shipping: Domestic: We will happily combine shipping. On small parts it is the highest shipping plus $1 for each additional item. On parts orders of $50 or more shipping is $5.99. If you use the Ebay shopping cart you will receive the correct combine shipping rate. International: We will happily combine shipping. On small parts it is the highest shipping plus $2 for each additional item. If you use the Ebay shopping cart you will receive the correct combine shipping rate. International Shipping: WE SHIP INTERNATIONAL, via USPS First Class Mail or Priority Mail International. International shipments generally take 2-4 Weeks, but can take up to 6 weeks with customs delays. Please be patient. WE DO NOT FALSIFY CUSTOMS FORMS, BUYERS ARE RESPONSIBLE FOR ALL CUSTOMS FEES, DUTIES, AND TAXES.