"DESCRIPTION FEATURES: Klein Tools’ All-in-1 Precision Screwdriver Set with compact carrying case features 39 precision bits. This set provides everything you need to work with electronics and precision fasteners including those for Apple® products such as Apple® iPhone, MacBook, and Watch. The reversible barrel is standard on one side and extra-long on the other for those hard-to-reach jobs. Powerful magnets housed in the barrel better secure the bit, which also allows it to easily pick-up and retain fasteners. The Cushion-Grip handle and spin cap provide outstanding comfort and control. Precision screwdriver set includes 39 bits for various applications including repair of most Apple® products Powerful magnets inside barrel to better retain bits, as well as pick-up and hold fasteners Reversible barrel has standard and extended-reach ends Compact carrying case features a stay-shut latch and extra-long bits for easier access Spin cap offers optimum and precise control Industrial-strength heat treated bits Cushion-Grip handles for maximum comfort Apple® is a registered trademarks of Apple Inc; TORX® is a registered trademark of Acument Intellectual Properties, LLC; Tri-Wing® is a registered trademark of Phillips Screw Company Made in Taiwan Guides & Documents REVIEWS"