Irwin Tools 1837508 Impact Performance Series TORX T40 Power Bit, 2" - Screwdriver Socket Bits - Amazon.com
SK Hand Tool 45570 Torx Plus T40 Drive Bit Socket, 3/8-Inch, Chrome - - Amazon.com
Screwdriver Bit Set Torx, 11 Pcs 1/4 Inch Hex Shank T6-T40 Magnetic S2 Steel Torx Security Head Screwdriver Drill Set Bits with Case (3 Inch Length) - - Amazon.com
Silverline 763566 Torx Socket Set 1/4-inch and 3/8-inch Drive T10-T40 - Set of 7: Amazon.co.uk: DIY & Tools
T40 Long Tamper-Proof Torx Bit - - Amazon.com
Power Bit, T40 Torx, 1/4"" Hex Shank with Groove, 3-1/2"" Long, Bulk: Amazon.in: Industrial & Scientific