6-Inch 150mm digital calipers carbon steel Electronic Digital Vernier Caliper Metal Micrometer carbon fiber Measuring tool

6-Inch Digital Caliper in carbon steel

Meet HUOTO’s precision digital caliper, built from carbon steel to deliver stiffness and stable readings from 0 to 150 mm (6 inches). A reliable measuring tool for metalworking, automotive tasks, and DIY projects, it pairs a robust frame with a clear LCD readout for fast, repeatable results.

Key features

• Measuring range: 0–150 mm / 0–6 inches with a 0.01 mm resolution
• Accuracy: 0.01 mm
• Material and construction: carbon steel; the beam and vernier are fully heat-treated and the measuring faces are specially hardened
• Two-way measurement: external and internal measurements
• Zero setting in any position for differential measurements
• Display: large LCD with 3-button operation and automatic power off
• Power: One battery (not included); supports LR44/SR44 1.5V or CR2032 3V
• Display size: ~40 × 15 mm
• Standard: conforms to GB/T14899
• Packaging: blister card
• Origin: Mainland China
• Two models available to meet different industrial standards
• Includes: 1 x Electronic Digital Caliper

What makes it practical

This caliper is designed for a broad range of applications, from precision woodworking to automotive adjustments. Its two-way measurement capability handles external dimensions and internal gaps with the same dependable accuracy. The zero-setting feature lets you compare incremental measurements quickly, while the hardened faces ensure durability even with frequent use in workshop environments. The simple three-button interface and large LCD keep readings intuitive, even when you’re measuring small features.

Usage tips and notices

• Minimum readable scale is 0.1 mm / 0.01 inch
• Battery not included; if numbers drift, replace the battery and the caliper should reset to normal operation
• Manual measurements may show a 0–1 cm variance due to applying different measuring pressures
• Color may appear differently on various monitors
• Packaged as 1 piece in blister card; note that the color may ship by random