"M6 Triple Square size 6\" long pinless universal impact driver extension","Access and quickly remove or install difficult to reach or confined Triple Square fasteners","Pinless universal design provides 360 degrees of articulation with a more direct transfer of impact power","Satin chrome 1/4\" hex shank design for use with any impact driver","Made from ultra-durable hardened S2 Tool Steel and CRO-MO 1/4" SHANK M6 TRIPLE SQUARE UNIVERSAL IMPACT DRIVER EXTENSION 6" LONG POWER BIT AUPQM6 | Matco Tools