Aluminum Knob Stainless Bolt Nut Thumb Screw Set of 3 Pcs for GoPro Hero 1, Hero 2, Hero 3, Hero 3+, Hero 3 Plus, Hero 4 Camera - Blue Compatible with GoPro Hero 1, Hero 2, Hero 3, Hero 3+ and Hero 4 cameras Made of tempered grade 6061-T6 aluminum Package includes: Long Screw x 1; Short Screw x 2