ONE STERLING SILVER CORD END HOOK EYE CLASP SET FOR CRIMPING, INTERNAL SIZE 2 MM  The outside diameter of the barrel measures 3 mm The inside diameter of the barrel measures 2 mm Length of set when connected: 19 mm Set is not stamped 925 but is guaranteed sterling silver, and is purchased from a reliable European supplier. DESIGN TIPS These clasps are ideal for finishing off ribbon, leather or suede necklaces. They do away with the need for split rings or jump rings as the crimp and clasp are one. They are very easy to use! INSTRUCTIONS FOR USE Crimp the cord inside the barrel using a pair of pliers. Optionally, use a drop of glue for extra security. The crimping area is the plain area in the central part of the barrel, located between the two patterned sections. The ideal glue to use is G-S Hypo Cement which comes with a precision applicator. POSTAGE I offer postage discounts for multi purchases when items are paid for in a single transaction. Discounts are calculated automatically by eBay. Please note that if you want to buy more than one item, do not select the buy now option, simply put the items you want in the basket and pay when you are finished. UK customers pay 99p for second class post and £1.25 for first class post on the first item. There is a charge of 5p for each additional item. European customers pay £2.95 for the first item and 5p for each additional item. American, Canadian, Asian and Australian customers pay £3.85 for the first item and 5p for each additional item.