Followings are for shovels... Not sure if wrenches are the same or not! (Don't have the time to go thru the mules)
Swift
* +150% Harvesting speed
* 100% chance max drop
Light (This one is from memory... Still can't find mine on mules yet...)
* +130% Harvesting speed
* 100% chance max drop
Normal
* +120% Harvesting speed
* 100% chance max drop
Golden
* Skill +1
Golden from event
* Skill +1
* +120% Harvesting speed
Swift
* +150% Harvesting speed
* 100% chance max drop
Light (This one is from memory... Still can't find mine on mules yet...)
* +130% Harvesting speed
* 100% chance max drop
Normal
* +120% Harvesting speed
* 100% chance max drop
Golden
* Skill +1
Golden from event
* Skill +1
* +120% Harvesting speed

