Esco-Lite 53 in 1 Precision Screwdriver Tools Set for Rc Pc PDA Mobile Car 53pc in 1 precision screw driver set Made of chrome vanadium steel The part of the precision screwdriver is the precision machinable magnetic bit screwdriver, rubber handle Perfect to open mobile phone, PC, PDA housings, PSP, NDS, MP3 player without damage to the phone cover Tips: this tool set is just suit to metric screw, it is not suit to inch screw! Torx Screwdrivers: T3,T4,T5,T6,T7,T8,T9,T10,T15,T20 Phillips Screwdrivers: PH00 1.5,PH00 2.0,PH0,PH1,PH2 Flat Screwdrivers: 1.3, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0 Hex Screwdrivers: H1.0, H1.5, H2.0, H2.5, H3.0, H3.5, H4.0 Pentalobe Screwdrivers: 0.8, 1.5, 2.0 Triangle Size: 2.0, 2.3, 2.6 Tri-wing Screwdrivers: 1.5, 2.0, 3.0 Others: M2.5, M3.0, M3.5, M4.0, M4.5, M5.0, M5.5, PZ0, PZ1 etc. Rubber Handle Length: Approx 9cm Extension Shaft Length: 12cm Flexible Handle Length: Approx 12.7cm Net Weight: 410g Package Size: 15*12*3.5cm Can be used for mobile phone, PC, PDA housings, PSP, NDS, MP3 player without damage to the phone cover and so on 49 different precise scewdriver bits meet your multiple demands All bits are made of premium chrome/ vanadium steel(6150#) with heat treatment Comes with an extension shaft which can be easily inserted into the handle for length adjustment 1 x 53in1 Precision Screwdriver Tools (49 x Screwdriver Bits ,1 x Rubber Handle,1 x Extension Shaft ,1 x Flexible Handle 1 x Tweezers)