Mine Worker's Backpack

Item ID 20822 Name Mine Worker's Backpack
A leather backpack of miner whose work at the gold mine.
_______________________
Increases Attack Speed (decreases After Attack Delay by 5%).
_______________________
For each 2 Refine Levels:
Increases Attack Speed (decreases After Attack Delay by 1%).
_______________________
Refine Level +9:
ATK +20
_______________________
Type: Garment
Defense: 16
Weight: 60
Armor Level: 1
_______________________
Requirement:
Base Level 100
Mechanic
Weapon Level 0 Identifier Mine_Worker_Backpack
Attack 0 Type Armor
MATK 0 Equip Locations Garment
Defense 16 Equippable Jobs Blacksmith
Range 0 Equip Gender Both (Male and Female)
Slots 0 Equip Upper Third, Third Upper, Third Baby
Weight 60 Min Equip Level 100
NPC Buy 0 Max Equip Level None
NPC Sell 0 Refineable Yes
Credit Price None Trade restriction None
Item Script 
.@r = getrefine();
bonus bAspdRate,(5+(.@r/2));
if (.@r>=9)
   bonus bBaseAtk,20;

Set Script
Mine Worker's Vest
Mine Worker's Backpack
Mine Worker's Pickaxe 
bonus bAtkRate,5;
bonus bAspdRate,10;
bonus bCritAtkRate,10;