Pedro's Pro Spoke Wrench Description: The Pedro's Pro Spoke Wrench is a precision shop quality tool for building and maintaining the spokes on a wheel. The unique ergonomic handle positions the fingers around the spoke for the best leverage and control of the spoke adjustment. The spoke tool head is a reversible design that has a 3 sided opening for quick adjustments ideal for the lacing or major spoke tension adjustment of a wheel, and a 4 sided opening for more torque and precision during the final tuning or straightening of a bicycle wheel. Features: Fits alloy and European style 4 sided spoke nipples that measure .130"/3.3mm across Investment cast, precision cut, and heat treated tool steel used for a durable wrench that will hold up to heavy wheel building and truing use Unique reversible design with a 3-sided opening for quick adjustments and a 4 sided opening for when working with stubborn nipples or when precision is required Ergonomic sculpted plastic handle positions fingers on either side of spoke for best leverage and optimal control Specifications: Spoke Size: 0.130"/3.30mm Color: Green