Key Features:Material: special tool steel, hardened and temperedSurface finish: chrome plated according to EN12540The key body is plastic-coatedSpoke wrench is used for nipples with dimensions 4,0 and 4,4 mm + 3,3 and 3,45 mm . Plastic-coated body enables comfortable tightening and unscrewing of the nipples.Note: Image for illustration purposes only