Draper expert 4 piece locking wheel nut set draper expert 89766 b i expert quality i b for the installation and removal of locking wheel nuts on most vehicles except those fitted with rotating protector shrouds manufactured from molybdenum steel hardened tempered and chemically blacked for corrosion protection reduce tapered internal left hand coarse thread for use with air and electric tools packed in metal display case draper expert 89766 4 piece locking wheel nut set