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Find quick answers to common questions
Complete 3‑Size Assortment for Daily Servicing Work: This practical tubular service tool set covers common dimension requirements ( 7.0 mm,7.5 mm and 7.8 mm )

High‑Strength Material for Stable Long‑Term Operation: Each stainless‑steel tubular implement is built with premium stainless‑steel material. Solid one‑piece construction delivers good hardness and anti‑rust performance

Optimized Dimension Design for Hand‑held Operation: This tubular maintenance hand kit features uniform 117 mm tool length for comfortable gripping and easy force transmission. Compact size allows convenient storage inside tool bags or toolboxes

Precision‑Machined Structure for Accurate Fit: Every precision tubular servicing tool undergoes fine machining to keep consistent dimension tolerance. It helps complete adjustment and maintenance tasks smoothly without unnecessary abrasion to compatible equipment components

Practical Accessory for Technician & DIY Training Needs: This multi‑size tubular hand tool set is intended exclusively for equipment maintenance and skill‑building practice


Find quick answers to common questions
Yes, all our tools are engineered for heavy-duty performance and long-term reliability.
Yes, our tools are designed with safety features and easy handling in mind.
Yes, they are tested to perform reliably in demanding environments.
Regular cleaning and proper storage are usually enough to keep your tools in top condition.
Yes, we provide compatible parts and add-ons to extend the life of your tools.
Every tool comes with a detailed user manual, and digital guides are available online.
Every KRANK tool includes a 1-year warranty, with extended options available on select products.
You can register online using your product serial number for faster support.
It includes defects in materials and workmanship under normal use conditions.
Yes, extended warranty plans are available for select tools at checkout.
Orders ship within 24 hours, and delivery typically takes 3–5 business days.
Yes, KRANK provides special pricing and packages for business or team orders.
You can reach our support team by email or phone — we’re here to assist you.
Feel free to reach out to us!
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KRANK official retail store.