ITEM NAME:Action Camera Surfing Accessories Set Surfboard Mounts for GoPro Hero 7 6 5 #gib Store Home Promotion Hot Item Add to Fav.Compatible for GoPro HERO models, for Gopro Hero 765/4/3+, for Hero Session, suitable for Yi,for SJCAM H9, etc. Surfing installation suite has everything that surfing needs. Surfboard Fix Mount size: 57 57 10mm/2.24 2.24 0.39".