Shield range - open shackle padlock (grade 4)
Partner your security needs with our best-in-class Shield padlocks which are compatible with both our KeyMASTER and KeyPRIME ranges which makes upgrading security between multiple padlock profiles a quick and easy process. Tested and certified to the latest EN 12320 standard ranging from range 4 - 6 security levels.
Made with hardened steel shackles that provide resistance to physical attack methods such as cutting, sawing, and impact blows. The base features an anti-drill base plate that protects the cylinder from a core attack, making the range suitable for different external applications.
Range benefits
- Interchangeable cylinder core for use with the entire range
- EN 12320:2012 Certified (4-6)
- Case-hardened steel bodies
- Hardened anti-drill plate on padlock base
- Open, closed, long shackle, and container padlocks
- Corrosion-resistant surface finishing
- Water drainage holes

Hercules padlock
The Hercules padlock is a robust padlock, with a hardened steel unsprung shackle. The A version features the AVA cylinder system and the C version features the 6-pin cylinder system.
Ava padlock housing
Components for the Hercules padlock.
Ava padlock cut keys
Secure your belongings with the UNION Ava padlock cut keys. Designed for reliability, this product offers simple security without specific standards. Perfect for everyday use, combining convenience with peace of mind.
Ava padlock cut keys
Secure your belongings with the UNION Ava padlock cut keys. Designed for reliability, this product offers simple security without specific standards. Perfect for everyday use, combining convenience with peace of mind.
Ava padlock cut keys
Secure your belongings with the UNION Ava padlock cut keys. Designed for reliability, this product offers simple security without specific standards. Perfect for everyday use, combining convenience with peace of mind.
Cruiser padlocks & keys (with key blank)
Close shackle tough padlock for use on security applications.

Discus steel padlock
A discus steel padlock that is high security and suitable for outdoor use.