OFNA Racing Cross Wrench w/17mm Features: Metal construction Fits most metric nuts, including wheel nuts and glow plugs 8mm socket includes spring clip for holding glow plugs Special 10mm socket for pilot shafts Handy storage for up to four glow plugs Reduces clutter and weight in your field bag or tool box INCLUDES: One Cross Wrench SPECS: Socket Wrench Sizes: 7mm, 8mm, 10mm 12mm, 17mm