["Feature: CCTV camera 12mmx0.5 lens holder/mount/adapters/spacers/support/rack. For mounting lens onto camera PCB board/module. This is 12mmx0.5 lens holder. Please make sure that the size of the holder suit for your camera and not interfere with the components on the circuit board. The hole distance of the product(hole distance) is 20mm/0.7in, please make sure the hole distance of the PCB is the same. The lens connect through this holder require additional IRFilters to matchs the camera use. With 1x lens fixing screw hole, 2x camera module fixing screw hole. Easy and convenient to install. Lens Holder only, other accessorys demonstration in the picture is not included! Specifications: Item Type: Lens Holder Model: Total Height: 15mm/0.5in Outer Frame Size: 17x17mm/0.6x0.6in Inner Frame Size: 15x5mm/0.5x0.1in Frame Height: 7.6mm/0.2inch Fixed Hole Height: 3.5mm/0.1in Distance Between 2 Board Mount Holes: 20mm/0.7in Material: Metal Color: Black Mount Interface: for mount standard Quantity: 1 Pc Note: No retail package. Transition: 1cm=10mm=0.39inch Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color. Package Includes: 1x Lens Holder"]