Product Overview

A mechanical combination lock with a zinc alloy lock body and 3‑digit dial mechanism. Purely mechanical – no batteries required. Designed primarily for schools, factories, gyms and other scenarios that require centralized management of a large number of lockers, featuring reasonable durability and economy.

Key Features

• 3‑digit combination : Unlock by rotating the dial and entering the three numbers in sequence.

• Purely mechanical : No batteries or electronic components. No risk of power failure. Lower failure rate than electronic locks in the same price range.

• Zinc alloy lock body : Provides better impact and corrosion resistance compared to all‑plastic lock bodies.

Applicable Scenarios

• School lockers, employee lockers, gym storage lockers

• Factory uniform lockers, tool cabinets

• Public storage areas in dormitories, swimming pools, amusement parks, etc.

• Places where frequent key management needs to be avoided

Main Materials & Structure

• Lock body: Zinc alloy

• Dial: Zinc alloy or ABS

Advantages

• Moderate price – cheaper than all‑metal mechanical combination locks, more durable than plastic locks

• No batteries, no maintenance – ready to use after purchase

• Can be set to the same combination across multiple locks, allowing managers to inspect or service all lockers with a single code

• No need to issue keys to every user; combinations can be changed periodically

• Mechanically stable, with little influence from temperature variations