Features: Screwdriver repair kit is made of Cr-V steel with magnetic and work perfectly for the drone Pocketable leather wallet style packaging, easy to carry and use, but not easily scattered or broken Different head size different usage All screwdriver heads have been processed with high temperature Essential tool kit for DJI Spark Phantom 2/3/4 drone quadcopter player With magnetic screw plate, you won\'t worry the metal parts rolling everywhere High quality and durable in use