Manticore    SAS 150lbs Crossbow with Scope, Extra Arrows and Rope Cocking Device Crossbow Stringer is recommended to put or change the crossbow string; ASIN for stringer: B00JHA14NG Powerfull 150lbs Crossbow Comes with Free Rope Cocking Device 24.99 Value Speed: 210 FPS This item is exclusively sold by ASC Inc only.