uxcell 10 Pcs S Mount M12 Board Lens Holder 20mm Screw Spacing Black for CCTV Camera Product Name : CCTV Camera Lens Holder;Material : Plastic Thread : M12;Mount Hole Spacing : 20mm/ 0.8" Total Size : 24 x 17 x 14 mm / 0.94" x 0.67" x 0.55"(L*W*H);Color : Black Weight : 29g Package Content : 10 x CCTV Camera Lens Holders