Park paw12 12inch adjustable wrench long and powerful the 12 inch 30 cm adjustable spanner is forged from carbon steel for strength and chrome plated for a durable finish a vinyl dipped handle adds comfort jaws open up to 36 mm to allowuse with a whole variety of park tool freewheel removers and bottom bracket tools the jaws have an accurate laser engraved measurement scale to ensure a good fit every time