Quick-change bit holder, 4-piece magnetic drill extension, screwdriver extension rod for electric drill, 1/4", 6cm/7.5cm/10cm/15cm

【Magnetic Extension Sleeve】 This drill extension features magnets for quick connection and disconnection, allowing you to install and change drill bits quickly and easily. The strong magnet has good adsorption, securely holding bits and attachments in place and preventing them from easily falling off during use. 【4 Sizes Available】 There are a total of 4 (6cm/7.5cm/10cm/15cm) magnetic drill extensions in different lengths, so you can choose the one that best suits your needs. Their compact size makes them easy to carry with you for any job and they fit easily into many tool bags. 【High-Quality Material】These magnetic drill bit holders are made of high-quality carbon steel and chrome vanadium steel, making them strong and durable. They are rust-resistant, corrosion-resistant, and high-pressure resistant, with a robust construction to ensure maximum durability. 【Widely Used】These quick-release bit holders with a universal 1/4" quick-release hex shank and 1/4" hex socket are suitable for most electric screwdrivers, pneumatic screwdrivers, manual screwdrivers, drill bits, and other bits. Professional machine repair, etc. Description: - These bit holders are made from high-quality carbon steel and chrome-vanadium steel with a robust construction to ensure maximum durability. - It can be used for a variety of screwdrivers, drills, and bits, making this extension holder very practical and versatile. - The universal 1/4" quick-release hex shank and 1/4" hex socket fit most screwdrivers, drills, and power bits. - The small size allows you to take your bit extension with you to get the job done and it fits in many tool bags. Specifications: Material: Carbon steel and chrome vanadium steel Hex shank size: 1/4" Hex size: 1/4" Length: 6 cm / 7.5 cm / 10 cm / 15 cm Package includes: 4 x Bit Holders