
Taskmaster
The Master Lock 51mm Magnum padlock is a high-security lock built for demanding environments, combining a laminated steel body with boron carbide and laminated steel construction. The 64mm extra-long shackle suits thicker hasps, chains and gate fittings.
Designed for maximum-security use, it suits worksites, manufacturing facilities, store fronts and industrial or residential gates and fences. The strong 10mm shackle and laminated body make it a dependable choice for securing valuable or high-traffic access points.
The Master Lock 51mm Magnum Padlock with 64mm Extra Long Shackle is a robust security solution designed for high-security applications, featuring strong materials and construction. It is engineered for maximum security, making it suitable for worksites, manufacturing facilities, storefronts and various access areas.
The 51mm laminated steel body is built for durability, with boron carbide and laminated steel construction and a 10mm shackle offering 64mm of clearance. It uses a pin-cylinder locking mechanism.
The padlock has a 51mm wide body.
The shackle provides 64mm of clearance, an extra-long size, with a 10mm shackle diameter.
The body is laminated steel, with boron carbide and laminated steel construction.
It suits maximum-security areas such as worksites, manufacturing facilities, store fronts and gates and fences.
Yes. It uses a pin-cylinder locking mechanism with metal keys.
Satisfied customer
Had been looking at the Master Lock for a couple of months. Master build quality is obvious as soon as you open the box — feels solid and well finished. Easy to set up and works exactly as described. Delivery to Perth in only 3 days which is impressive. Will be buying more from SuperSaver AU for sure.
Exceptional — 5 stars
Really happy with this. Price was the best I found online and delivery was faster than expected. Product is well made and does exactly what it should. Zero complaints — will buy from SuperSaver AU again.
Absolutely love it!
Had the Master Lock on my wishlist for a few weeks and finally pulled the trigger. Arrived in 2 days which was a nice surprise. Build quality is solid and exactly what the photos showed. My partner uses it every day now and has already asked me to grab another one as a gift.
Best buy of the year
Ordered Thursday and had it by Saturday. Packaging was really good — nothing moved around. Works exactly as expected and the price was well below what I saw in stores.
Fast delivery — impressed
Love my Master Lock. Does the job perfectly and the price was unbeatable.
Exactly as described
Always buy Master when I can — consistent quality and you know what you are getting. This one is no different. Fast dispatch and arrived in perfect condition.




