Perfect I could open my iphone 4 and 4S My drone DJI Phantom FC40 nothing to say the parts are frankly very solid for a price! the parts are magnetized to catch the live carefree ... the kind of small tweezers also very practical and there was even an extension that served me for hard to reach screw the same is sold in stores 10 more expensive See more! The box is very handy when you have to open a full house, a simple supports and presto! easy to store I would do this purchase without problems!