"Blade size" refers to the length or dimensions of a blade, typically for tools such as knives or saws. It describes how long or wide the cutting edge of the blade is. Full definition
«New off - shore turbines, with blades the size of the London Eye, need to be built and launched from modern docks, so we need to upgrade our shipyards to take advantage of this massive opportunity,» he said. (politics.co.uk)
Check out my DIY tutorial for the procedure (with the OEM blade size in inches and the compatible replacement part numbers) by clicking on the text link or thumbnail image below. (paulstravelpictures.com)
If you want a variety of blade sizes on hand, it's easy to get what you want with the SKIL 80151 variety three - pack! (geekwrapped.com)