Trijicon SRS Tenebraex Eyepiece and Objective Flip Cap Set with Retainer
This set includes the objective flip cap and retainer, plus the eyepiece flip cap. The retainer allows the installation of the objective flip cap cover. The objective flip cap easily rotates around the retainer into desired position. The eyepiece flip cap easily snaps over the eyepiece. Both flip caps open up and "lock" into place.