Jackly 31 in 1 Screw Driver Set Magnetic Toolkit Specifications Features Magnetic screwdriver handle Compact storage design^ convenient to place and carry Including 1 handle^ 30 blades as follow: 9 Heads Torex T4^ T5^ T6^ T7^ T8^ T9^ T10^ T15^ T20 (cell phone^ PC^ hard drive^ printer^ Xbox^ Xbox 360^ shaver) 4 Heads Philips PH000^ PH00^ PH0^ PH1 (Most common cross heads) 7 Heads Straight 1.0^ 1.5^ 2.0^ 2.5^ 3.0^ 3.5^ 4.0 (Most common Straight heads) 8 Heads Hex 0.7^ 0.9^ 1.3^ 1.5^ 2.0^ 2.5^ 3.0^ 4.0 (model^ bicycle^ Engine^ Guns) 2 Heads Philip Z0^ PZ1 Handle length: 10.2 cm Blade length: 2.8 cm Size of storage box: approx. 5.5 cm in diameter^ 12 cm in height Color Yellow Warranty 6 Months Vendor Warranty Against Any Manufacturing Defects In The Box 1 X Screwdriver set "