The Stan JustX Xceptional Four Finger Ds Large has an awesome new open or closed jaw option, take your pick. It is designed to be used with a d-loop and has Tolerance Eliminating Technology, zero tolerance for part variation, zero tolerance for defects, zero tolerance for 2nd place. The JustX Xceptional has Machined 440C stainless steel components hardened to wear proof 60 rockwell. It features JustX Micro Adjustable Sears that are a super crisp and accurate double searing system featuring zero trigger travel and a huge tension adjustment window. You will never have to change a spring! ErgoFit Cross Training Technology makes All STAN releases have a similar fit and feel. It also has an MPT2 Knob, Multi Positional Trigger, the final touch on the perfect fit. The JustX Xceptional has a machined aircraft grade aluminum handle in a Black/Blue finish.