1/2" Drive 6-Point Metric 5-Piece Socket SetHi-Visibility - identify socket sizes at a glance with our oversized laser markings - Red for SAE and blue for MetricSocket Rail - Color coded, unique spring-loaded ball allows easy socket removal and replacementOpti-Torque - Applies torque to fastener sides, not corners which allows more torque to fastener and longer lifeCounter-Torque - Distributes the torquing stress uniformly throughout the socket extending socket lifeIncludes sizes: 25mm - 29mm