Paxels are multi-use tools combine the axe, pickaxe and shovel into one tool. However, the tools' individual durability do not combine meaning the tool will break a lot sooner than if it were 3 separate tools. A stone paxel has 131 uses before it will break.
A stone paxel is created by combine an axe, pickaxe and shovel with 2 sticks. Place the axe in the top left corner, the pick in the top center and the shovel at the top right. Put 2 sticks in the center and lower middle slot to create the paxel.