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Product Overview
The Xcelite 99PS41MMN (Series 99®) is a 9-piece interchangeable metric hex driver kit designed for precision engineering, maintenance, and assembly tasks. Featuring a compact and highly versatile design, this toolset provides professionals with the seven most frequently used metric Allen hex blades. It includes an ergonomic regular handle and a 4-inch extension for accessing recessed or deep-seated fasteners. All components are securely organized in a durable, see-through stand-up plastic case, simplifying tool identification and transport.
Key Features & Included Components
- Interchangeable Hex Blades (7): Includes 1.27 mm, 1.5 mm, 2 mm, 2.5 mm, 3 mm, 4 mm, and 5 mm (Part numbers 9971MMN through 9976MMN).
- Standard Handle: Xcelite 991N regular handle (27 mm x 105 mm) designed for comfort and torque transfer.
- Blade Extension: Xcelite 99X5N 4-inch extension blade, which adds 122 mm of reach for difficult-to-access areas.
- Storage Case: Compact, see-through stand-up plastic enclosure for efficient tool management.
Technical Specifications
| Manufacturer | Xcelite (Weller) |
|---|---|
| Model / Series | 99PS41MMN / Series 99® |
| Tip Style | Metric Allen Hex |
| Number of Pieces | 9 |
| ESD Safe | No |
| Package Dimensions | 1.45 in x 5.45 in x 5.40 in (H x W x L) |
Frequently Asked Questions
Are the blades and handle in the 99PS41MMN kit compatible with other tools?
Yes, the included 991N handle and 99X5N extension are fully compatible with other interchangeable blades within the Xcelite Series 99® family.
Is this hex driver set suitable for use in ESD-sensitive environments?
No, the Xcelite 99PS41MMN kit is not rated as ESD-safe. For static-sensitive electronics applications, specialized ESD-safe tools should be utilized.

