Developed according to the scientific ERGO™ process.Maximum comfort with minimum effort thanks to ergonomic design.Twin pack 9029 and 9031 adjustable wrenches.Extra wide jaw opening with a shorter handle than a standard wrench offers accessibility to work in confined spaces.The jaw does not fall out even at maximum opening of the wrench.Head combines slim design for accessibility with strength for performance.Laser scale in mm for pre-adjusting and accurate measurement.Skydrol- and oil-resistant ERGO™ rubber handle.The handle never feels too warm or too cold and tolerates oil and grease. Soft, high-friction surface reduces the risk of slipping.High performance alloy steel forged in single piece.Phosphate finish, precision-hardened and anti-corrosion treated.Left turning screw.Standards: ISO 6787, DIN 3117, ASME B107.8 and BS 6333.Retail pack