Appearance: easy to carry, sturdy shell, easy to store, waterproof and dirt-proof
Material: splash-proof, rust-proof, more durable, longer service life.
Measurement: more convenient tools, high measuring efficiency, clear and direct readings, Easy-to-Read Vernier Scale The clear vernier scale ensures quick and accurate readings for efficient work
Function: Measurement of length, inner and outer diameters, depth, with the role of measurement.