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Set type: flat, cross and other screwdriver sets Number of pieces included: 7 Whether explosion-proof: yes Whether it is magnetic: Yes Is it insulated: No Material: Chrome vanadium alloy steel Spinning head type: Y-shaped, cross, one-character, plum blossom, rice-shaped System: Metric Scope of application: non-precision maintenance Function: Multi-purpose High quality chromium vanadium steel refined Batch rod plus strong magnetism PP+TPR bi-material handle Anti-slip thick handle