







🛠️ Elevate your toolkit game—because every detail counts!
The CASOMAN 9 Pieces Extension Bar Set features premium Chrome-Vanadium steel construction with a corrosion-resistant black phosphate finish, offering exceptional durability and reliability. Designed for professional-grade performance, it includes nine extension bars across 1/4", 3/8", and 1/2" drives, secured by spring-loaded detent balls for a slip-free fit. Packaged in a sturdy blow-molded case, this set meets ANSI standards and comes with a 1-year warranty, making it the essential upgrade for any serious craftsman or manager who values precision and efficiency.






| Brand | CASOMAN |
| Material | Chrome Vanadium Steel |
| Finish Type | corrosion-resistant black phosphate finish |
| Number of Pieces | 9 |
| Drive System | Square |
| Set Name | CASOMAN 9 Pieces Extension Bar Set |
| Drive Bit Shank Style | square |
| Bit Compatibilities | 1/4", 3/8", 1/2" |
| Manufacturer | CASOMAN |
| Part Number | CS074 |
| Item Weight | 3.48 pounds |
| Product Dimensions | 5.91 x 4.33 x 1.57 inches |
| Item model number | CS074 |
| Size | with case |
| Finish | corrosion-resistant black phosphate finish |
| Installation Method | Click |
| Item Package Quantity | 1 |
| Capacity Description | 1/4", 3/8" and 1/2" |
| Head Style | Fixed Square, Hex |
| Measurement System | Inch |
| Accessory Connection Type | 1/4", 3/8" and 1/2" |
| Compatible Fastener Range | 2 inch-6 inch, 10 inch |
| Usage | General Purpose |
| Batteries Included? | No |
| Batteries Required? | No |
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