 "GoPro The Tool (Thumb Screw Wrench + Bottle Opener) (GoPro Official Accessory)" "Professional Video Accessories | Gear Outlet"
"Metallic wrench used to tighten thumbscrew on quick release mount." 
 "GoPro Rechargeable Battery f/ HERO4 Cameras - AHDBT-401"@en AHDBT-401 Filmtools"@en
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GoPro 1160mAh lithium-ion Rechargeable Battery
For GoPro HERO4 Cameras
Use as a spare or replacement battery for your HERO4 camera
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