27PCS Impact Torx Bit Set (TT7-TT40). Don't compromise on your tools. Why Choose Our Torx Bit Set?. Type: Bit Set Number of Pieces: 27 Drive Type: Torx Star Size: TT7-TT40. Magnetic screwdriver bits retain up to 98% magnetism even after 5,000+ uses, ensuring a strong grip on your screws.
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