FOR SALE ARE SIX (6) NEW NICKEL PLATED EXTENSION SPRINGS 3 1/4" length MANUFACTURED BY PRIME LINE PRODUCTS MPN SP 9618 REFERENCE NUMBER C-181 UPC# 6153457344396.SIX (6) NEW EXTENSION SPRINGS INCLUDED IN THIS SALE, DIMENSION 5/8" outer wide X 3 1/4" long X .72" wire diameter. THESE ARE SINGLE LOOP CLOSED EXTENSION SPRINGS BY PRIME LINE PRODUCT, MADE OF TOUGH AND DURABLE SPRING STEEL (tempered steel wire) WITH SHINY NICKEL PLATED COATING TO RESIST CORROSION. MAXIMUM SAFE LOAD FOR EACH SPRING IS 19.10 pounds.THIS SPRING WILL STRETCH ABOUT 2 INCHES (deflection) GIVING EACH SPRING THE ABILITY TO STRETCH TO A MAXIMUM LENGTH OF aBoUt 5 1/4". THIS SPRING IS USED IN MANY APPLICATIONS INCLUDING FURNITURE, TOYS, TOOLS, HOUSEHOLD AND PRO APPLICATIONS. THIS SPRING IS USED EXTENSIVELY IN FURNITURE MANUFACTURING. AN IDENTICAL SPRING WAS SOLD IN THE FURNITURE MANUFACTURE INDUSTRY BY THE HANDY KLEIN GROUP FOR DECADES (hkg mpn 248-2930S) WITH NEAR IDENTICAL SPECIFICATIONS. THE SINGLE OPEN LOOP ON EACH END ALLOWS FOR EASY AND RELIABLE FASTENING TO FIXED AND MOVING PARTS. YOU WILL RECEIVE SIX (6) NEW SP 9618 EXTENSION SPRINGS 3 1/4" long SHIPPED BY USPS..... BID AND BUY HERE IN IN ABSOLUTE CONFIDENCE SINCE I HAVE THOUSANDS OF POSITIVE FEEDBACK AND TEN+ YEARS EXPERIENCE. I SHIP WITHIN TWO DAYS OF RECEIPT OF PAYMENT, OFTEN THE NEXT DAY. $4.81 USPS GREEN SHIPPING USING RECYCLED PACKAGING MATERIALS AND ENVIRONMENTALLY FRIENDLY MATERIALS TO ANYWHERE USA. I DO NOT SHIP ANYWHERE ELSE. HAVE A GREAT DAY AND THANK YOU FOR STOPPING BY.......