Genius Tools Star Bit Socket T-55 Size 1/2 Inch Drive 80mm Length Durable S2 Steel - 440+6355
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- T-55 star bit socket profile provides secure engagement on star fasteners.
- 1/2 inch drive with 80mm (3.15 inch) length fits common ratchet setups.
- Made from high speed steel for strength, durability, and anti-corrosive properties.
- Permanently stamped size markings support quick identification and organized storage.
- Securely attached yet interchangeable bit design suits repeated professional hand tool use.
Genius Tools Star Bit Socket T-55 Size 1/2 Inch Drive 80mm Length Durable S2 Steel - 440+6355 Star Bit Socket
This T-55 star bit socket is built for professional hand tool work where consistent fit and durability matter. With a 1/2" drive and 80mm (3.15") overall length, it’s sized for controlled engagement on star fasteners while keeping identification simple during everyday tool organization.
Designed for repeat use, the bit is securely attached yet interchangeable, supporting reliable service across demanding tasks. Clear, stamped size markings help reduce downtime when selecting the correct star size, especially in busy shop environments.
Key Benefits
- T-55 star bit socket profile helps maintain a secure grip on fasteners.
- 1/2" drive and 80mm length suit common professional ratchet setups.
- Durable S2/high speed steel construction supports high strength and long service life.
- Anti-corrosive properties help resist wear from routine exposure to shop conditions.
- Permanently stamped size marking speeds identification and improves socket organization.
- Interchangeable design with securely attached bit supports flexibility across compatible setups.
- Meets or exceeds ANSI standards and is backed by a limited lifetime warranty.
SKU 440+6355 is intended for technicians who need dependable star-bit engagement without sacrificing durability. The combination of a practical 80mm reach, clear size stamping, and professional-grade build quality supports consistent results over repeated heavy use.
| Brand | Genius Tools |
|---|---|
| Material | HSS |
| Size | T-55 |
| Drive Size | 1/2" |
| Length | 55mm |
| Type | Star |

