Standard toggles its breakers that have toggle openings of less than 11mm and are compatible on all padlocks that are safe and hasps. There is no tool required.
With large toggles

For breakers with toggle openings ranging from 11.5mm- 13mm. The safety pads and locks fit perfectly. It also doesn't require any tools.

With pins inwards
Breakers that have openings as large as 12.7mm between the lockout holes. It works with all isps. The pin functions as a clamp.
Other essential MCB lockouts are tool-free lockout and universal lockout.
Differentialities between 'Universal' and No Tool M Circuit Breaker Lockout
Although it may sound technical there's a small and subtle distinction between the two.

Universal MCB Lockout is a device that quickly locks out MCB typically used in motor control systems and industrial automation. It can be installed easily by using a screwdriver.
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