T40 (T-40) Torx/Star Driver Bit - Color Coded T40 x 1" Torx/Star Drive Bit for Screws and Fasteners Requiring T40 (T-40) Size Bits - Amazon.com
Amazon.com: T40 Torx Bits For Lag Screws : Industrial & Scientific
Wiha 71540 Torx Insert Bits, 1/4-Inch Hex Drive, T40 by 25 mm, 10-Pack - Screwdriver Socket Bits - Amazon.com
Torx Security Screwdriver Set 11 PCS T6-T40 3 Inch Magnetic Security Screwdriver Bit Set, 1/4” Hex Shank Security Tamper Proof Screwdriver Drill Bit Set - Amazon.com
Amazon.com: uxcell 2pcs 1/4" Drive x T40 Torx Bit Socket, S2 Steel Bits CR-V Sockets 1.5" Length Use with Ratchet Wrench, Slide Bar, Extension Rod : Tools & Home Improvement
Amazon.com: toolant 2” Impact Torx Bit Set 13pcs (T7-T40), 1/4” Hex-Shank S2 Steel Star Bit Set, CNC Machined Tips with Magnetism, 2” Long with Storage Box : Tools & Home Improvement
aiyun 8-Piece Torx Bit Set, S2 Steel Magnetic Screwdriver Bit Set 6 Inch Security Bits, T8-T40(150mm Length) - Amazon.com