PULUZ CNC Aluminum Thumb Knob Stainless Bolt Nut Screw Set long + short for GoPro Session 5/4 HERO6/5/4/3+/3/2/1, Xiaomi Yi, SJ4000, SJ5000, SJ6000 (Red) New aluminum thumb knob with stainless bolt nut screw for Gopro mount adapter. Universal CNC aluminum screw, fit for GoPro HERO4 /3+ /3 /2 /1, Xiaomi Yi, SJ4000, SJ5000, SJ6000. Accessories for fixing GoPro cameras to a standard tripod or suction cup. Easy to install and use.