The handle is designed for terminal crimping, and the suitable diameter is within 0.2-6mm. Sharp and durable The cutting opening is sharp and durable with good hardness, which can cut a of wires. High quality materials has good toughness and hardness. The screwdriver with strong magnetic field is more convenient to operate. Screwdriver adopts non- insulated handle and streamlined design, which makes it feel better. describe: Name: electrician screwdriver combination set Line pressing range: insulated terminals 10-22AWG(0.5mm~6.0mm), uninsulated terminals 10-12AWG, 14-16AWG and 18-22AWG. Stripping range: 10-24AWG(0.2mm~6.0mm) Note: Do not cut hard materials such as iron wire and steel wire. Material: Metal colour: As shown Package Contents: 1 x Electric screwdriver combination set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.