about this project High-quality material: The magnetic ratchet screwdriver is made of alloy steel, and the screwdriver head is made of metal, which can hold the screwdriver head tightly, sturdy and durable. The surface is chrome-plated for anti-rust treatment, and the PVC plastic handle feels comfortable. COMPACT AND PORTABLE: 4.5" (110mm) Mini Ratchet Screwdriver with 10 Bits for Tight Spaces. Screwdriver bit models: PH1, PH2, PZ1, PZ2, 4, 6, T25, T27, T30, 1/4. The Mini Ratchet Screwdriver is small and lightweight, making it ideal for maneuvering in tight places. Reversible Ratchet Mechanism: The 36-tooth reversible ratchet system is made of alloy steel, ensuring smooth bi-directional ratcheting and precise adjustment; just one touch, the clockwise and counterclockwise rotation of the screwdriver can quickly switch from tightening to loosening the screw . Especially suitable for tight spaces: the MINI ratchet wrench has a unique right-angle design for smooth tightening or loosening of screws even in tight spaces. Wide range of applications: The mini ratchet screwdriver almost covers the needs of most household appliances, cars, houses, machines and other equipment.