







🛠️ Elevate your toolkit with precision and durability that won’t quit!
The OKNIFE MBS1 9-piece 4mm hex bit screwdriver set features premium nickel-plated S2 tool steel bits for exceptional hardness and wear resistance. Designed for compatibility with Opry, D1, U1 Pro series, and other 4mm hex nut drivers, it includes versatile double-ended bits and a unique Eternal Pencil for marking without sharpening. Securely held by TPR rubber sleeves and housed in a compact, portable case, this set is engineered for professionals and DIYers demanding reliability and convenience.



| Brand | OKNIFE |
| Material | Tool Steel |
| Finish Type | Nickel Plated |
| Drive Bit Shank Style | hex |
| Bit Compatibilities | Hex Head Screws (4mm, M4, M5, M6, M8, M10) |
| Manufacturer | OKNIFE |
| Part Number | 1 |
| Item Weight | 1.19 ounces |
| Product Dimensions | 3.2 x 1.33 x 0.31 inches |
| Item model number | 1 |
| Color | Black |
| Finish | Nickel Plated |
| Item Package Quantity | 1 |
| Head Style | Hex |
| Compatible Fastener Range | Hex Head Screws (4mm, M4, M5, M6, M8, M10) |
| Special Features | Eternal Pencil |
| Batteries Included? | No |
| Batteries Required? | No |
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