The Sealey AK7101 is a sliding T-bevel adjustable angle square designed for precise angle measurement and transfer across carpentry, engineering and architectural applications. Featuring a robust aluminium handle paired with a stainless steel blade, this 270mm tool combines durability with accuracy for professional tradespeople and serious DIY enthusiasts. The blade features permanently machined metric and imperial graduations on both sides, providing dual measurement options for versatile use. Four preset angles are marked directly on the handle for quick reference, whilst the tool can also duplicate existing angles or work in conjunction with other measuring instruments for more complex layout tasks. A quick-release locking mechanism secures the blade at any angle for repeated reference, then releases easily when adjustment is needed. This reliable locking system ensures consistent accuracy when transferring angles to multiple workpieces, making it ideal for repetitive cutting and ma