LING'S SHOP 33Pcs Security Bit Set with Holder Fr Drill Star Hex Spanner Torx Screwdriver Applicable for installing in electric screwdriver, hand screwdriver, electric drill and other tools Adopts the CR-V manufacturing skill and overall high-frequency quenching, super hardness, high torqu Storied in upper and lower plastic case, provides different models to choose, easy to use and carry Case size: app.6.7cmx4.8cmx2.8cm/2.63''x1.88''x1.10''(LxWxH) Quantity: 1 Set (33Pc)