Smooth functioning QD leverSuperior clamping that will not damage or coin the rail surfaceExtremely smooth in operation with a multi-facetted adjustment nut to get the exact tension required by the operatorFully adjustable with no tools required, can be adjusted to fit rails not machined to mil-spec tolerancesWeighs only 2.0 oz.Precision machined for optimum return to zero performance and reliabilityHard coat anodized 6061 aluminum for a lifetime of servicePatented QD lever by Elite Defense100 percent made in the U.S.A. with MI Lifetime Warranty