Master Lock 4130 Brass Padlock, Keyed Different, Standard Shackle

Solid brass body

The Master Lock 4130 padlock uses a rectangular brass body that resists corrosion and suits outdoor gates, sheds or lockers. Its 3-pin cylinder provides basic deterrence for low-risk applications. The keyed-different configuration means each lock opens only with its own key, simplifying key management for single-entry points.

Standard steel shackle

A 3/16 in diameter steel shackle with 9/16 in clearance fits common hasps and chain links without modification. The weather-resistant finish protects the mechanism from rain and humidity, so the lock remains operable through seasonal changes. No removable core or control-key registration is required, keeping installation straightforward.

Sustained outdoor exposure

Brass construction and a weather-resistant rating allow the lock to endure prolonged moisture and temperature swings without seizing. The 3-pin mechanism maintains consistent operation over repeated cycles, avoiding the stiffness that can develop in lower-grade cylinders. It is not intended for high-security needs or environments requiring hardened shackles or pick-resistant internals.