Features: Tired of screws dropping? • The ProHold™ Tip works! Try it once. You will never switch back. We Guarantee It! -Holds screw tight, FIRST TIME - EVERY TIME. -Button does not weaken tool or encourage stripping. -Allows for maximum torque without distortion of ProHold™ button. -The location of the button does not interfere with tool rotation. -ProHold™ button is rust proof and non-magnetic. • Protanium High Torque Steel is up to 20% stronger than competitor tools. • ProGuard™ Dry SUrface Finish is the best rust and corrosion protection available. • Bondhex™ Case included. -Locks keys into place with a twist. -Sorts and prevents loose/lost wrenches. -Sizes are printed on case to find tools at a glance. -Case may be used to increase leverage. -Case is color coded yellow for inches.