The BT12-QK is our standard height Precision Rail Monopod (PRM) with QK01 Quick Knob. Attaches to standard 1913 Picatinny rail. It is machined from 6061-T6 aluminum that is Mil-Spec Type III hard anodized.Available in black only. minimum height: 3,54" (90mm) Elevation Range: 3.75 - 4.65" (95-118mm) Folded Length: 3.85" (97mm) approximate Weight: 7.4 ounces (210g) WGR = WZU