L2D Combat RMR Sight Screw Set for Trijicon PVD Blue Blue 6-32 Thread. They are not long enough to be used in conjunction with an adapter plate between the sight and mounting surface ( ex: Glock MOS models ). Thread #6-32 x 3/8. Specifications for L2D Combat RMR Sight Screw Set for Trijicon: Manufacturer: L2D Combat Color: Blue Fabric/Material: Steel Package Contents: L2D Combat RMR Sight Screw Set for Trijicon Hex Key L2D Combat LD-P-RMR-BLU: RMR Sight Screw Set for Trijicon PVD Blue Blue 6-32 Thread