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OKNIFE MBS1 4mm Hex Bit Screwdriver Set, 9 PCS Durable S2 Tool Steel Double-Ended Bit Set with Eternal Pencil, Ideal for Opry, D1, U1 Pro Series and Other 4mm Hex Nut Drivers

Regular price $12.99
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You can also buy it on Amazon (US only)

Core Info.

The OKNIFE MBS1 is a compact 9-piece 4 mm double-ended bit set made from durable S2 tool steel and finished with nickel plating for long-lasting use. With multiple common bit sizes, secure TPR sleeves, an Eternal Pencil, and portable packaging, it is built for both everyday repairs and precision tasks.

Delivery and Shipping

For orders placed within the United States, the shipments are usually delivered within 3-7 business days.

Product Details

OKNIFE MBS1 4mm Double-Ended Bit Set

Compact, practical, and made for everyday carry

The OKNIFE MBS1 is a compact bit set designed for daily repairs, quick adjustments, and portable tool carry. It combines durable S2 tool steel bits, practical size options, and an extra Eternal Pencil in one easy-to-carry setup.

OKNIFE MBS1 S2 Tool Steel Bit Set

Premium S2 Tool Steel Construction

Built for strength and wear resistance

Durable material for repeated use

Each 4mm double-ended bit is made from premium S2 tool steel, a material known for strong hardness and good wear resistance. This helps the bits stay reliable during regular use and gives the set a solid, long-lasting feel.

Nickel-plated finish for added durability

The nickel-plated surface adds another layer of durability and helps support long-term performance. It also gives the bits a cleaner and more refined finish.

Versatile 9-Piece Bit Set

Multiple bit sizes for different tasks

One set, more everyday flexibility

The MBS1 includes 9 double-ended bits, giving you 18 usable tips in one compact set. It covers a practical range of sizes for repair work, adjustment tasks, and daily carry needs.

Included bit combinations

T1 + Triangle 2.3, PH00 + PH2, PH0 + SL3.5, SL1.5 + SL2, H2.5 + H3, H1.5 + H2, T10 + T15, T7 + T9, and T6 + T8.

OKNIFE MBS1 Compatible 4mm Bit Set

Compatible 4mm Hex Bit Set

Designed for OKNIFE tools and other 4mm systems

Made for carry tools and compact drivers

This bit set is ideal for the Opry Series, D1 Series, and U1 Pro Series. It is also compatible with other 4mm hex nut drivers, making it a flexible option for users who already carry compact repair tools.

Eternal Pencil Included

More than a standard bit set

A reusable tool for writing and marking

Unlike a typical bit set, the MBS1 also includes an Eternal Pencil. It is reusable, does not need sharpening, and adds extra utility for quick notes, marking, or light writing tasks during work.