{"product_id":"altra-insert-and-outsert-166-400-spine","title":"Altra Insert and Outsert .166 400 Spine","description":"The insert secures into the arrow shaft at a depth of 0.875\", while the outsert then threads directly onto the insert and encapsulates the leading end of the arrow at 0.43\" creating unmatched durability.  Essential rubber O-rings come pre-installed on the insert within the A.R.C.O.S., as they aid in locking the outsert in place which reduces vibration and improves concentricity between the outsert to the insert for a more precise arrow set up and down range accuracy. Comes in 12 pk QTY;Available in four sizes - 250, 300, 350, \u0026amp; 400 spine;50gn Total Weight;Accepts micro FMS insert weights;Available in sizes: 250, 300, 350, 400","brand":"Altra","offers":[{"title":"Default Title","offer_id":49841195450561,"sku":"1501743","price":52.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0821\/3122\/2721\/files\/274555921.jpg?v=1765402225","url":"https:\/\/hr91ae-wz.myshopify.com\/products\/altra-insert-and-outsert-166-400-spine","provider":"ScentDefenders.com","version":"1.0","type":"link"}