DMM is not only at the top of the line in terms of performance and ease of use, but also has excellent appearance and exquisite craftsmanship. DMM's climbing equipment is all produced in Wales, UK, and its current product line includes climbing supplies, outdoor ice and snow equipment, clothing backpacks, etc. At the same time, DMM is also an OEM manufacturer of Mammoth main lock products.
 
In terms of climbing master locks, the strength of DMM master locks is higher than the UIAA standard, and the door opening pull of most of DMM rock climbing master locks has reached 8KN, which is higher than the 7KN stipulated by UIAA. DMM is also the first manufacturer in the industry to use the "3 Sigma Test" to monitor the strength level of its equipment to minimize product failures, and it has also been imitated by top climbing equipment brands such as Black Diamond.
 
On Outdoor Gearlab's list of the best climbing locks, DMM Phantom came in third. Weighing only 41g, it's one of the lightest climbing locks on the market. The Phantom maintains its easy-to-open and closable features a smaller mention and can be locked or opened with just two screws, making it ideal for traditional multi-pitch climbing. DMM's other product, the Aero Offset, is more suitable for beginners, with a smooth surface design and Keylock Nose hookless lock door technology, which is not easy to jam the rope and hanging piece, which can reduce the obstacles caused by operation, and the price of these two main locks is about $16, which is quite cost-effective.
 
DMM's Alpha Sport fast hook is the first choice for pioneer climbing, made of 25mm wide nylon flat straps, suitable for the palm of most adults, and was rated as the most convenient fast hook by foreign rock friends, and received a high score of 84 in Outdoor Gearlab. But there are also downsides, with a weight of 108g making it a little heavier, and at $29, it's almost twice as much as a similar product.