EMENTOL 6 PCS Hollow Shaft Magnetic Nut Driver Set, 1/4 to 9/16-Inch Color Coded Hex Sockets, 5-Inch Extended Reach SAE Nut Setters, Cr-V Steel Impact Rated for HVAC & Automotive Repair

Hollow Shaft Design for Extended Reach: Tackle long bolts and threaded rods with ease. Featuring a 5-inch extended reach and a deep hollow core (3.35-inch depth), this nut driver set allows you to work on protruding bolts in tight spaces like under hoods or inside HVAC units without any obstruction. Color-Coded Sizes for Quick ID: Save time on every project. The set features color-coded bands for instant size recognition, SAE hex sizes: 1/4", 5/16", 3/8", 7/16", 1/2", and 9/16".

• 【Hollow Shaft Design for Extended Reach】 Tackle long bolts and threaded rods with ease. Featuring a 5-inch extended reach and a deep hollow core(length: 1/4", 5/16" ≈ 3.54-inch; 3/8", 7/16" ≈ 3.74-inch; 1/2" 9/16" ≈ 3.94-inch).
• 【Powerful Magnetic Tip for Easy Fastening】 Each magnetic nut driver is equipped with a specialized ring magnet embedded in the tip. It securely holds the fastener while allowing long threads to pass through the hollow shaft.
• 【Impact-Grade Cr-V Steel for Durability】Constructed from high-strength Chrome Molybdenum Steel with heat treatment, which for professional and durability.
• 【Color-Coded Sizes for Quick ID】 Save time on every project. The set features color-coded bands for instant size recognition, SAE hex sizes: 1/4", 5/16", 3/8", 7/16", 1/2", and 9/16".
• 【Complete 6-Piece SAE Master Set】 Ideal for installing nut inserts, driving hose clamps, and performing repairs on HVAC systems, appliances, and automotive assemblies where clearance is limited.