Removes the most difficult locking lug bolts quickly, safely and without damage to wheel or rim Great for all vehicles with lost or damaged locking lug bolt keys Operation time is approximately 8 minutes per wheel. Includes: o (4) nylon internal centering guides o (3) metal external centering guides o (1) metal centering guide for free turning lugs o (2) special ultra hard drills with tungsten carbide tips o (4) extractors o (1) impact extractor holder o (1) impact extractor remover Instructions: Tap, Drill, Extract! Replacement Components: o 1775X07 Lug Bolt Drill Bit 8.5mm o 1775X08 Lug Bolt Extractor