Screwdriver repair kit is made of Cr-V steel with magnetic and work perfectly for the Drone Quadcopter Real user-friendly experience thanks to reasonable and humanized design; pocketable leather wallet style packaging, easy to carry and use, but not easily scattered or broken Complete DJI Mavic Pro precision screwdriver set with 12 Screwdriver Head: H1.5mm, H2.0mm, H2.5mm, H3.0mm Allen; +1.5mm, +2.5mm?+3.0mm PHILLIPS; T6,T8,T9 six stars ; -1.5mm Flathead; 0.6 PHILLIPS Essential tool kit for drone quadcopter player Work with DJI Phantom 3 professional drone