Order by 19th December for delivery before Christmas
Order by 19th December for delivery before Christmas
Order by 19th December for delivery before Christmas
Order by 19th December for delivery before Christmas
Order by 19th December for delivery before Christmas
Order by 19th December for delivery before Christmas
Order by 19th December for delivery before Christmas
Order by 19th December for delivery before Christmas
Order by 19th December for delivery before Christmas
Order by 19th December for delivery before Christmas
Order by 19th December for delivery before Christmas
Order by 19th December for delivery before Christmas
NEXT DAY DELIVERY ON ORDERS PLACED BEFORE 2PM


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Request a custom quote for bespoke discounts and shipping.

Weather Resistant

Manufacturer Guarantee
The Master Lock 427 Labelled Lock Off Hasp is a robust, high-visibility solution for group lockout situations. Designed for environments where multiple engineers, technicians or contractors need to isolate energy sources, this hasp ensures machinery cannot be re-energised until every worker has removed their padlock.
Made from anodised aluminium with stainless steel fixings, it offers long-term resistance to corrosion, chemicals and harsh industrial conditions. The integrated warning tag provides an immediate visual cue and reduces the risk of accidental operation. A large writable panel allows temporary notes or identification, ideal for shift work and maintenance teams.
For larger teams, two hasps can be linked to increase padlock capacity, maintaining full safety compliance.
Anodised aluminium construction
Stainless steel hasp plate
Holds 5 padlocks (standard 6-7 mm shackles)
Large printed safety warning
Writable ID section (dry-wipe friendly)
High-visibility red finish
Group lockout during servicing or maintenance
Isolation of electrical panels and switchgear
Mechanical and pneumatic lockout procedures
Multi-technician work on a single energy source
| Brand | Masterlock |
| Material | Aluminium, Steel |
| Insurance Rated? | No |
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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Keyed alike padlocks all have the same key.
Keyed Different
Each padlock has it's own unique key.
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