Wiha 28597 8 Piece Torquecontrol Torx Blade Set – 1EA. Wiha 28597 8 Piece Torquecontrol Torx Blade Set. Certified to EN ISO 6798, BS EN 26789, ASME B107.14M. Set includes ergonomic multi-component adjustable TorqueVario-S handle, 6 blades and Torque adjustment tool. Packed in a compact durable storage box durable storage box. Torque handle marked with serial number and include calibration certificate. WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer.