Husky 8"/200mm Double Speed Adjustable Wrench Spanner Shifter 31mm Wide Jaw

Max jaw opening: 31mm (Extra wide). So yes, it does adjust twice as fast than standard one. Overall length: 8"/200mm. Husky's design makes use of a steeper helix angle on the knurl, such that one spin of the knurl translates to greater linear motion of the jaw.