SK 86247 SuperKrome 7 Piece 12 Point 10-Millimeter to 18-Millimeter Short Combination Wrench Set 7-piece SuperKrome metric short combination wrench set stands up to harsh working environments Patented SuperKrome finish for durability and maximum corrosion resistance SureGrip hex design drives the side of the fastener, not the corner Includes 10-, 12-, 13-, 14-, 15-, 17-, and 18mm wrenches Full lifetime warranty