This manual impact screwdriver set combines a powerful impact mechanism with a multifunctional screwdriver bit. It does not require a power source. It can instantly release high impact torque by hammering the tail, effectively loosening rusted or overtightened screws. The body is precision-machined from chrome-vanadium alloy steel, and the grip is made of non-slip rubber texture, which feels comfortable and is easy to work for a long time. It comes with 4 commonly used screwdriver bits, a set to meet the needs of daily home repairs, machine repairs and auto repairs.

Drive square head: 1/4″ (6.35 mm) magnetic quick-change seat

Impact mechanism: manual hammer type, one-way output impact torque

Standard screwdriver bits:

Flat head: 5/16″ (≈8 mm)

Flat head: 3/8″ (≈10 mm)

Cross head: PH 2

Cross head: PH 3

Main body material: chrome-vanadium alloy steel (Cr-V)

Surface treatment: high-gloss chrome plating + brushed process

Handle material: TPR non-slip rubber

Total length: about 200 mm

Total weight: about 600 g

Storage box: compact PP plastic portable box

Strong impact torque

Each hammer strike can instantly release high torque, effectively loosening rusted or over-tightened screws without the need for power tools.

Multi-function screwdriver bits

Equipped with two specifications of flat heads and two cross heads, covering common screws for furniture, home appliances, machine tools and vehicle interiors.

Magnetic quick-change seat

1/4″ Magnetic square head design, the screwdriver bits can be inserted and removed smoothly and firmly, making the operation more efficient.

High-strength material

Chrome-vanadium alloy steel is precisely heat-treated, with high hardness, wear resistance and impact resistance, and long service life.

Non-slip and comfortable grip

TPR rubber grip, multi-texture non-slip design, vibration absorption and buffering, reducing hand fatigue.

Portable storage

A molded storage box is randomly included, and the screwdriver bits and screwdrivers are placed in order, making it more convenient to carry and store.

Usage scenarios

Home maintenance: disassembly and assembly of screws on furniture handles, door lock hinges, lighting panels, etc.

Automotive maintenance: loosening and removal of stuck screws on interior trim panels, chassis guards, instrument panels, etc.

Electromechanical equipment: maintenance of fasteners such as motor housings, control box panels, machine tool accessories, etc.

Emergency rescue: screw removal and tightening in vehicles and outdoor environments without electricity

How to use

Optional bit: take out the bit of the required specification from the storage box, insert the magnetic square head and tighten it to the bottom;

Alignment and positioning: align the top of the bit with the notch of the screw head to ensure center alignment;

Impact loosening/tightening: hold the screwdriver firmly and hit the tail vertically with a hammer to generate impact torque;

Bit replacement: loosen the grip and gently pull the bit to quickly remove and replace it;

Maintenance and storage: wipe the body and bit after use, apply a small amount of anti-rust oil, and return it to the storage box in place.

Put this manual impact screwdriver set in your toolbox and easily cope with the challenges of disassembling and assembling various rusted and over-tightened screws anytime, anywhere!