Painted, zinc-alloy body. Replacement for lost or damaged chuck keys. 4 heads for most 10 and 13mm chucks. Features 10-tooth 6.2mm pilot, 11-tooth 5.2mm pilot, 11-tooth 6mm pilot and 10-tooth 6.1mm pilot. Painted, zinc-alloy body. Replacement for lost or damaged chuck keys. 4 heads for most 10 and 13mm chucks. Features 10-tooth 6.2mm pilot, 11-tooth 5.2mm pilot, 11-tooth 6mm pilot and 10-tooth 6.1mm pilot.