Feature: 1. Made of non-toxic, high hardness, durable, accurate chrome vanadium steel. 2. The tip of the screwdriver is magnetic and slip resistant. 3. The extra extensions extend the handle and are easy to reach in narrow places. 4. Ergonomic anti-slip handle for high comfort and accuracy. 5. Small screwdriver set for easy carrying and storage and work at home, lightweight and compact. Specification: Item Type:Screwdriver Bit Kit 4mmx28mm CR -V Nickel Plated Accurate Bits Slotted:1.5-2.0 Cross:#1-#2-#3 Star:T5-T6-T7-T8 Square:1mm 2mm PZ:#1 6.35mmx25mm CR -V Accurate Bits,the surface sandblasting Slotted:3mm 4mm 5mm Cross:#1-#2-#3 PZ:#1-#2-#3 Hex:3mm 4mm 5mm Star:T15 T20 T25 Square:1mm 2mm 3mm Socket:5mm 6mm 7mm 8mm 9mm 10mm 11mm 12mm 1pc 60mm Magnetic Extension Bar 1pc ADA 1pc Ratchet Screwdriver Handle 1pc T-Type Ratchet Screwdriver Handle. Package List: 30 x Screwdriver Bits8 x Socket1 x Adapter1 x Extension Rod2 x Screwdriver Handle