Recurve sight from Axcel. Key features: Extension bar of layered ultra high modulus carbon for improved strength and torsional rigidity. Increased windage adjustment provided by #10-32″ screw (vs. standard #6-32). Wedge lock attachment knob mounts your sight securely, with large area of contact with the sight bar. Simple, click on/off locking on windage and elevation prevents movement and unintentional adjustment. Adjustment knobs designed for ease and comfort of use – even in challenging weather conditions. Recurve sleeve-lock block allows one-screw adjustment of scope or pin.