Torx Screwdriver Set with Modular Organizers - 4 Inch Shanks, 6-Piece (T10 - T30) BoltsandNuts.com The 4 mm bits are

The 4 mm bits are ideal for repairing mobile devices

and 1/2 inch drive accessories have a spring-loaded ball detent that lightly secures the socket by engaging its through hole

Part Number: Assortment Kit #563575 Pieces - Coarse Thread

Diameter: M10-1

Diameter/Pitch: 3/4"-10

Torx Screwdriver Set with Modular Organizers - 4 Inch Shanks, 6-Piece (T10 - T30) BoltsandNuts.com The 4 mm bits areDesigned for Speed and Torque The front of the handles is round for quick turning and the middle transitions to a tri lobe shape that provides a secure grip for high torque driving Soft Overmold Grip for Controlled Turning The handles red exterior is made of a lightly textured TPE material that is slightly soft and grippy for controlled spinning, fine adjustments, and reduced slipping under torque Size Markings in Four Locations Each driver has the