16 Key SetSizes Included: Ball - 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm And 10mm; Hex - 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm And 8mmBall Ends For Easier Angle Entry By Up To 25 DegreesPrecision Cut And Chamfered Tip Ensures Full Tool Engagement In The ScrewDurable GorillaGrip Handle Is Stronger Than Steel HandlesTurn And Flip Feature Eliminates Constant Removal And Repositioning In Screw Head When Working Against Obstructions90 Degree Stop Converts The Tool Into A Non-Stop, Time Saving, Speed Wrench