Check the listing for details. Savage Stevens 520 Slide Lock Spring - P/N 520-375. Listed at 11.99 USD. THIS ITEM IN NO WAY, SHAPE, OR FORM VIOLATES ANY OF EBAY'S POLICIES. This is an original Savage/Stevens model 520 slide lock spring. There are at least 3 variations of this spring so please ensure it is the correct style for you before ordering. P/N 520-375. As with any replacement parts, it may require some fitting.What you see is what you get.We'll combine shipping on multiple items and WE WILL INVOICE EVERYONE with new totals after the auctions end so I thank in advance for your patience. If you do not receive a revised invoice within 2 days, PLEASE send us a combined shipping request.All auctions ending over $99.99 will be insured.Insurance on items under $99.99 must be requested. NO INTERNATIONAL BIDDERS UNLESS you can provide me with a United States shipping address - No exceptions. Check out our eBay store for other items and deals! https://www.ebay.com/str/thegungarage Thank you all for looking and for your continuous business! - Al & Evan