Thumbscrew Set by BlueHorn -1 x Aluminum Wrench(easy open tool) + 4 Long Thumb Screw Bolts for GoPro Hero 1, 2, 3, 3+ / Also includes 1 BlueHorn Lanyard 1.Universal cute fish sharp aluminum wrench for tightening all Gopro style thumbscrews. Made out of high quality, industrial grade aluminum.Small, compact, lightweight yet strong and reliable; perfect to fit in jumpsuits. 2.EASY OPEN TOOL WILL HELP TIGHTEN OR UNDO THE SCREWS: Some users find that the thumbscrews can be difficult to tighten or remove. We've provided an opening tool that fits over the screw itself and provides more leverage to make this task much easier. 3.STANDARD PLASTIC GOPRO SCREWS: These screws are the same shape and can be used in the exact same way as the original GoPro screws.