These super-light wrenches weight less than one quarter of the weight of standard steel wrenches Made from tool-grade titanium alloy Extremely lightweight and compact design is perfect for trail tool packs Exclusive Motion Pro design for optimized strength and performance Titanium alloy will never rust or corrode Ergonomic handle Laser etched markings for easy identification Designed by Motion Pro Set includes 8 mm, 10 mm, 12 mm, and 13 mm wrenches Patented design