Kaisi&reg; 51 In1 Versatile Screwdriver Sets Repair Tool Kit 1.One year Warranty, 30-Day Money Back Guarantee! Kaisi Brand full support. 2.Easy assembly and disassembly, adjustable connecting rod, can according to the different needs of 3.Design professional and practical, beautiful appearance, convenient to carry and use. 4.Ideal for repairing and opening mobile phone/ notebook/ MP3/ toys/chargers/household appliances. U 5.Portable, High material chrome vanadium, Super Hardness, with Magnetic.