ITEM NAME:Wrench Spanner Tighten Knob Nut Screw Tool For Go Pro Hero 3+ 3 2 Accessorie M&O Brand new and high quality Small and strong lightweight and easy to carry Compatible with GoPro HD HERO3+\HERO3\HERO2\HERO1camera 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. Specifications: Material: Plastic Color: Black Size: Approx. 7.7*2.4*0.7cm Net weight: 5g Notice: Knobs are not included! Package Includes: 1x Wrench spanner.1x Wrench spanner. Size: Approx. 7.7 2.4 0.7cm. lightweight and easy to carry. Color: Black. Net weight: 5g.