The weapon sprites are 80x80 and are designed to be overlaid onto the character sprites named " Attack (One Hand Weapons)", which are the same size. It's the same for all tool sprites and their corresponding character sprites, which should be named similarly.
I don't usually post WIP stuff, but when I do it's on Patreon. I regularly do public newsletters going over what I plan to work on for the month! https://www.patreon.com/JamieBrownhill