This adapter allows you to attach GoPro with SD front mask and combine optional parts to allow you to use with LED lights, hand grips and carbon telescopic arms. Compatible SD Front Mask: SD Front Mask for HERO9 (GoPro HERO9/10/11) SD Front Mask for HERO8 (GoPro HERO8) SD Front Mask for HERO5/6/7 (GoPro HERO5/6/7) SD Front Mask STD (GoPro HERO3/3+/4) *INON does not install directly on GoPro without SD front mask.