Set includes 10, 11, 12, 13, 14, 15, 17 and 18 mm flex-box ratcheting wrenches 90-Tooth ratcheting box end provides 4° of arc swing Box end pivots 180 degrees, providing unlimited leverage and allows access to the narrowest of work areas 12-Point design allows work on multiple fastener types including 6-point, 12-point, square, star and some rounded Constructed of chrome vanadium steel and are heat treated for strength and durability Professional grade, high polish finish Metric wrenches are marked with hard stamped size callouts and blue color stripes for easy identification Meets or exceeds ASME specifications Hassle-free lifetime guarantee Finish: Polished chrome Length Measurement: Set Size: Set Weight (lbs.): 3.15 Arc (Degrees): 4 Case Type: N/A (no case) Degree Offset (Degrees): 180 Flexible Head: Yes Handle Design: Standard Head Design: Flexible head Material: Steel Measure Type: Metric Number of Teeth: 90 Points: 12-point Reversible: No Set/Individual: Set Stubby Wrenches Included: No Total Number of Pieces: 8 Universal: No Warranty: Lifetime ANSI Compliant: Yes CA Residents: Prop 65 Warning(s): Yes UNSPSC: 27111700