Klein Magnetic tip nut drivers combine the power of rare earth magnets and the convenience of a hollow shaft design. This two piece set contains 1/4-Inch and 5/16-Inch hex sizes in stubby 1-1/2-Inch shaft lengths. The magnetic tips securely hold fasteners in place for one-handed operation. Great for working in close quarters.PRODUCT FEATURES:- Stubby nut drivers allow for work in close quarters - Exclusive hollow shaft design with Rare Earth magnetic tip features unobstructed pass-through - Set contains: 1/4-Inch (610-1/4M) and 5/16-Inch (610-5/16M) hex sizes - Handles are color coded for easy identification - Internal flanges provide solid, twist-resistant shaft anchor - Cushion-Grip handles allow for greater torque and comfort - Made in the USA