Specifications: Made of 45 steel material, durable and wear-resistant. There is a card position at the handle, press down to replace the high bar. A variety of screwdriver bits for you to use. Item Name: Insulated Screwdriver Set Material: 45 Steel Withstanding Voltage: 500V Quantity: 8Pcs/Set Handle Length: 113mm/4.45" (Approx.) Spindle Length: 160mm/6.30" (Approx.) 160mm Insulated Dual Purpose Rods Specifications: A: U-shaped U2.6, Torx T15, Torx T10, Y-shaped Y1, Phillips PHO, Phillips PH1, Phillips PH2, Triangle 2.3, Torx T25, Torx T20, Y-shaped Y2, Slotted 3.0, Slotted 5.0, Slotted 6.0 B: PH2/SL6, PH1/SL5, PH0/SL3, Y1/Y2, U2.6/Triangle 2.3, T10/T20, T15/T25 Features: Double Head, Precision, Insulated Size: B: 14.8cm x 18.7cm x 3.9cm/5.83" x 7.36" x 1.54", A: 19.6cm x 18.2cm x 4.2cm/7.72" x 7.17" x 1.65" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Handle 7 x 16cm Insulated Dual Purpose Rods (A or B)