20 pc Spline Full Polish Reversing Combination Ratcheting Wrench Set, Metric

Features : Full polish finish resists chipping and rust | Box end is countersunk for easy application to the fastener | Spline design was created for use with specialty spline bolts which are used when weight and size of bolt heads must be minimized | The high contact surface area which is away from fastener points enables turning of highly rounded fasteners