let's start explaining 

wooden Paxel 

damage 5

Mining speed 4

durability 118

stone paxel 

damage 6

Mining speed 6

durability 262

copper paxel 

damage 7

Mining speed 8

durability 382

iron paxel 

damage 8

Mining speed 10

durability 512

golden paxel 

damage 5

Mining speed 16

durability 64

diamond paxel 

damage 10

Mining speed 12

durability 3122

netherite paxel 

damage 12

Mining speed 14

durability 4062

Paxels can be placed in the off-hand

There is no need to activate the experimental features options.

Added a new item group specific to Paxels