Carbon steel crank removal tool suitable for removing standard square taper and ISIS (splined) crank arms. Removable adaptor for smaller crank apertures. Use with 16mm spanner or 14mm hex key. Chrome plated and painted finish for increased corrosion resistance. Carbon steel crank removal tool suitable for removing standard square taper and ISIS (splined) crank arms. Removable adaptor for smaller crank apertures. Use with 16mm spanner or 14mm hex key. Chrome plated and painted finish for increased corrosion resistance.