[ACCESS TO CONFINED SPACE]- Package includes: 3 x drill bit extension; 1 x 105 degree right angle drill attachment; 1 x pivot drill bit holder, extending your drill bits and providing access to narrow and hard-to-reach spaces; Greatly improve your work performance and efficiency; [DURABLE TOOL SET]- All bit holders are made of industrial grade heavy-duty chrome-vanadium steel, sturdy, durable, withstanding high pressure, long service life ensured [STRONG MAGNETISIM]-With locking mechanism and strong built-in magnetism, the drill bit extension set can be used easily to pop up batch head automatically, fast and quick release ensured; [FLEXIBLE-20 PIVOT BIT]The pivoting bit holder has a 20 Degree pivot mode which allows perfect accessibility to narrow spaces and hard-to-reach areas. Moreover, this bit can also be locked and serves as a straight bit holder; [105 RIGHT ANGLE DRILL ATTACHMENT]- The right angle drill adapter has a standard 1/4 Hex Shank and 1/4 Hex Socket; Maximum torque of the angle drill adapter is 15N; Only for right angle head; [3 PCS QUICK CHANGE DRILL BIT HOLDER]-3 PCS Quick release magnetic drill bit extensions have 1/4 driver adapter and 1/4 inch hex shank; Straight drill bit extensions include 3 Length - 2(60mm), 4(100 mm), 6(150mm) to satisfy your various needs; Pivot bit-3.5 (89mm);