Our Portable Chuck and Bits Set is manufactured with heavy-duty chrome vanadium steel. This type of steel is known for its strength and toughness as well as its wear resistance and heat resistance, Makes it a highly desirable material for durable and reliable tools and components. The quarter-inch bits of this small tool kit are securely held within a durable plastic holder ensuring both longevity and portability for seamless transportation. At the core of this set lies a powerful magnetic chuck that provides a secure hold for one-hand operation eliminating the frustration of dropped screws and allowing focused work. Included is our signature T-bar driver known for easy torque application. This T handle offers a better grip and control compared to regular screwdrivers. With a comprehensive assortment of 3 Phillips bits 3 star bits 5 slotted bits and 9 sockets this collection caters to diverse fastening needs while maintaining a compact form that fits effortlessly into your vehicle or pocket.