CAMRIG Generation4 Line Mount for GoPro Hero 3, 3+, 4, Entry Hero Latest Line Mount from CAMRIG the inventor and innovator of mounts for Kite Boarding Compatible with GoPro Hero 3, Hero 3+, Hero4, Entry Level Hero and Dive Housing. Mount body has been strengthened in 3 critical areas Fit has been improved -- snug fit with ot without floaty back. Nut has been embedded in the mount so it won't get lost on the beach