Product Info Allows drivetrain cleaning, maintenance and lubing to be completed easily Size: 69 x 23 x 23 mm (excluding lanyard) Precision Machined, 6061 aluminium body with a screw cap Inner polypropylene tool bit holder contains: 5mm, 6mm Hex & T30 Torx bits Rubber O-ring reduces water ingress into tool bits Silicone sleeve protects bicycle crank when backpedalling Corrosion-resistant neodymium magnet snaps tool bits into place Handy size can be taken with you anywhere