UNIVERSAL 1/4 INCH HEX SHANK FOR WIDE APPLICATION: - With universal 1/4" driver adapter and 1/4 inch hex shank, this 4PCS drill bit holder set can be widely applied to pneumatic screwdriver, electric screwdriver, pneumatic drill, manual screwdriver and all 1/4-Inch drive bits tool. Wonderful drill bit holder extension set for various hardware maintenance and repair; Great tools for conversion and extension; 105 RIGHT ANGLE DRILL ATTACHMENT: - The right angle cordless drill attachment has a standard 1/4'' Hex Shank and 1/4'' Hex Socket; Maximum torque of the right angle drill adapter is 15N; Only for right angle head; 105 designs for tight spaces, extends the power of a cordless screwdriver; FINE WORKMANSHIP: - Excellent surface coating provides extra protection from against elements and substances such as oil and fluids that may come in contact with the extension bars during usage. ACCESS TO CONFINED SPACE: -This 4pcs magnetic drill bit holder extension package includes 3 pcs drill bit holder extensions and 1 right angle drill attachment, extending your drill bits to different length and angles, providing access to narrow and hard-to-reach spaces; save your time and effort, improve your work efficiency! Nice addition to your tool box! DURABILITY: -This drill bit extension set is made of industrial grade heavy-duty chrome-vanadium steel, sturdy, reliable, withstanding high pressure, rust-proof; high product quality ensures long service life! STRONG MAGNETISIM- 3PCS DRILL BIT EXTENDER: - 3 PCS quick release magnetic drill bit holder have 1/4" driver adapter and 1/4 inch hex shank; Package includes 3 Length - 2"(60mm), 4"(100mm), 6"(150mm) to satisfy your various needs. Locking mechanism and strong built-in magnetism make it easy to pop up batch head automatically, fast and quick release ensured.