The Shimano spoke wrench is used to center 4.3 and 4.4 mm spokes on Shimano wheels. The plastic-coated center section of the wrench ensures comfortable operation. The wrench's length is 100 mm, allowing for easy access and a wide range of wrench maneuverability. Product attributes material: premium plus carbon steel surface finish: chrome plated in accordance with ISO 1456:2009 the middle part of the key is covered with plastic