General description The Master Lock 5KA-A290 is a 51mm laminated steel padlock designed for reliable protection against physical abuse. With a hardened steel shackle and a robust construction, this padlock is built to last. It features a keyed alike system, allowing multiple padlocks to be opened with the same key, making it convenient for various applications. Technical specifications Body material: Laminated steel Shackle material: Hardened steel Shackle dimensions: 25mm Shackle diameter: 8mm Pin configuration: 4-pins Usage Suggested uses for the Master Lock 5KA-A290 include securing sheds, residential gates, and garages. Other information Each padlock comes with a minimum of 2 keys and is backed by a Lifetime Warranty against mechanical failure.