Especially for wheel mounting and dismounting of alloy rimsWith plastic insert to protect the surface of the wheel boltsOutside plastic sleeve (replaceable) to protect the rims when screwing the wheel boltsColour-coded plastic sleeve, for quickly finding the correct sizeWrench sizes 17 ∙ 19 ∙ 21 mmLong designWith borehole for locking pin or safety spring and grove for O-ringMade in GermanyWrench size: ∙ 17 – 21Drive: Square, hollow 12.5 mm (1/2 inch (5.08 cm))Output: Outside hexagon Traction profileNet weight: 0.79 kgNumber of tools: 3 pieces