Built for tight spaces - get into tight spaces with a low-profile ratchet design and a 20% thinner head*.DIRECTTORQUE technology - tighten and loosen fasteners with ease with sockets featuring directtorque technology.Professional grade durability - complete tough applications with a chrome vanadium steel construction that provides strength and durability.Excellent maneuverability - maneuver in restricted areas with a 72-tooth ratchet that offers a 5-degree arc swing.