The screwdriver bar is made of chrome vanadium steel with quenching heat treatment. The matte chrome-plated surface enhances sturdiness and durability. The handle is made of PP and TPR materials, providing a non-slip, ergonomic grip for comfortable use. The screwdriver tip undergoes black oxide coating for rust resistance. The magnetic tip helps hold screws securely. Made from high-quality chrome vanadium steel and PP, this kit is durable and practical. The handle length is 10.2 cm; the screwdriver bar length is 12 cm. Suitable for precision electronics maintenance, including smartphones, laptops, and eyewear. Item Name: Screwdriver Material: PP, Chrome Vanadium Steel Specifications: 8-piece set — H4×120×T4/T6, H4×120×T5/T7, H4×120×PH000/SL1.5, H4×120×PH00/SL2.0, H4×120×PH0/SL3.0, H4×120×0.8STAR/1.2STAR, H4×120×U2.6/TA2.3, H4×120×Y2.0/Y3.0 Dimensions: 10.2 cm × 1.5 cm × 1.5 cm (4.02 in × 0.59 in × 0.59 in) Note: Color may vary slightly due to lighting and screen settings. Slight dimensional variations may occur due to manual measurement. Package Includes: 1 × Small Triangular Plate 1 × Large Triangular Plate 1 × Card Slot Pin 1 × Screen Suction Cup 1 × Small Handle 8 × Screwdriver Bars