It comes with everything you need including replacement lens screw and screw driver. Perfect lens replacement when scrach/crack or nonremovable stain happens. Qucik and simple to install, do not have any problem with tool stripping out. Attached small tools ensure easy and quick assemble and remove lens. Compatible with GoPro Hero 4 and GoPro Hero 5. Features - Color: As shown. - Material: ABS and metal. - Size: Approx. 3.5 x 3.5 x 0.2cm. - It comes with everything you need including replacement lens screw and screw driver. - Perfect lens replacement when scrach/crack or nonremovable stain happens. - Qucik and simple to install, Didn& 39;t have any problem with tool stripping out. - Attached small tools ensure easy and quick assemble and remove lens.