【SE】It can solve some stubborn screws on air filters, some high-end patch panels, etc. 【FEATRES】The professional hand screwdriver is made of chrome steel- vanadium, which strengthens the twist during use. 【DESIGN】The style design of the rod conforms to the ergonomic principle, easy to use, not easy to fatigue. 【HARDNESS】The handle is made of PP, double plastic non-slip design, very comfortable to use.Excellent hardness and toughness. 【Specifications】 Material: chrome steel -vanadium + PP; Magnetic: yes; Handle length: approx. 80mm/3.15inch; Size: M1.7 x 50mm, M2.0 x 50mm, M2.3 x 50mm, M2.6 x 50mm; Weight: about 179g Product features: It can solve some stubborn screws on air filters, some high-end patch panels, etc. The professional hand screwdriver is made of chrome-vanadium steel, which strengthens the twist when using. The style design of the rod conforms to the ergonomic principle, easy to use, not easy to fatigue. The handle is made of PP, Double plastic non-slip design, very comfortable to use. Excellent hardness and toughness. specifications: Material: chrome vanadium steel + PP Magnetic: yes Handle length: approx. 80 mm / 3.15 inches, Size: M1.7 x 50mm, M2.0 x 50mm, M2.3 x 50mm, M2.6 x 50mm Weight: about 179g Package included: 1 set x screwdriver (4pcs) Note: Only type screwdrivers, no other things included.