Wrench Knob Nut Screw Spanner Tool for GoPro Hero 4 3+ 3 2 -This wrench is especially designed to tighten and loosen the knob of your gopro camera. -Compared with tightening the knob by hand, using this wrench would secure your camera more tighter. -Lightweight and easy to carry -Compatible with GoPro HD HERO4/HERO3+/HERO3/HERO2/HERO1 camera -Color: Black -Size: 7.5cm x 2.3cm We carry many camera accessories like battery, charger, lens cap, lens hood, etc.. - We specialize in Electronics, Computer, Cell Phone Accessories, Professional Signal Conversion Devices, Adapter & Cables Pickup Location: "Cable Link" Tel: 613-680-6188