Features: 1. The professional hand tool screwdriver is made of chrome-vanadium steel, stronger torsion in using. 2. The design of shank accord with ergonomics principle, easy to use, not fatigue easily. 3. Shank is made of PP, anti-slip design of double plastic, very comfortable to use. 4. Excellent toughness and hardness performance. 5. Magnetic bits, in the installation can easily absorb screws. Specifications: Material: Chrome-vanadium Steel + PP Magnetic: Yes Screw Head Type: Triangle Handle Length: Approx. 80mm /3.15inch Batch Length: Approx. 50mm / 1.97inch Size: 1.8 x 50mm, 2 x 50mm, 2.3 x 50mm, 3 x 50mm Weight: Approx. 152g Package Include: 1 Set x Triangle Screwdriver include 4pcs 4pcs Triangle Screwdriver Set Precision with Magnetic Multifunctional Hand Tool, Triangle Head Screwdriver, Magnetic Triangle Screwdriver 4pcs Triangle Screwdriver Set|Precision with Magnetic|Multifunctional Hand Tool|Triangle Head Screwdriver|Magnetic Triangle Screwdriver