The MEGAPRO 15 in 1 Multi-Bit Screwdriver is engineered to optimize efficiency and convenience, this screwdriver is an indispensable addition to your HVAC toolkit. Crafted with precision and durability in mind, it ensures reliable performance even in the most demanding environments. Its retractable cartridge and innovative Palm-Saver Technology enhance user comfort and minimize strain during prolonged use. The EZ Guide collar facilitates seamless screw driving by ensuring full contact between the bit and the screw, streamlining installation and repair tasks.