Ritchey TorqKey 5Nm With 6 bits M3/4/5 T20/25 and Philips #1Ritchey TorqKey 5Nm With 6 bits M3 4 5 T20 25 and Philips #1. Properly installs Ritchey carbon bars and stems with no risk of overtightening. May work with other brands check manufacturers torque recommendations Ritchey recommends using Liquid Torque on clamping surfaces of lightweight components Specifications: Bit Size 3mm Hex4mm Hex5mm Hex6mm Hex8mm HexT25 Bits Included Yes