| Specification : | |
| Brand | BAUM Professional Tools |
| Model Code | ART 418 Series |
| Product Category | Professional 1/2-Inch Drive (12.7mm) Metric Socket Extension Bars |
| Material Base | Premium Forged Chrome Vanadium Alloy Steel (CrV Construction) |
| Thermal Processing | Comprehensive Fully Hardened & Tempered Curing Cycle |
| Drive Interlocking | Spring-Loaded Friction Locking Ball with Square Detent Alignment |
| Surface Armor Coating | Anti-Rust Glare-Reducing Industrial Matt Satin Shield |
| Grip Interface | Precision Machined Diamond Knurled High-Traction Speed Collar |
| Available Loose Sizes | 3"/75mm (Compact Reach) | 5"/125mm (Standard Work) | 10"/250mm (Deep Recess) |
| Tool Compatibility | 1/2" Drive Ratchets, Breaker Bars, Sliding T-Handles, and Standard Metric Sockets |
| Application Scope | Automotive Servicing, General Machinery Repairs, Fleet Overhauls, Farm Equipment Assembly |
Premium Forged Chrome Vanadium Steel Core: drop-forged from high-grade CrV alloy steel to handle extreme loosening torque without twisting or bending out of calibration.
Fully Hardened & Tempered Structural Build: Undergoes complete thermal conditioning cycles to maximize metal density and prevent drive square deformation under heavy load.
Non-Slip Knurled Finger Spinning Zone: Machined with an integrated high-traction knurling pattern to facilitate swift manual hand-rotation of unseated fasteners in greasy setups.
Corrosion-Resistant Industrial Matt Finish: Treated with an anti-glare satin surface coat that completely isolates moisture and chemical fluids to defend the steel against rust.
Three Targeted Field Service Sizes: Available in standalone loose configurations matching quick compartment tasks (3"), everyday mechanical maintenance (5"), and deep industrial recess jobs (10").