|This crossbow features detailed instructions that come with pictures. This item is 19.5 inches in length and easy to hold. The instructions include assembly, cocking, loading, and sight adjustments. The self-cocking is easy to use, auto safety is engaging when cocking, and the track style is great for control and accuracy. This item can only shoot with proper bolts and do not cock or load until you intend to shoot. The cocking mechanism is well built and fun to use.