Go to your config folder to item.cfg you will see lots of items like this
item = 1949 Fighter_hat A_partially_charged_rod. 1 3 5 1 5 5 5 -7 -7 27 29 26 -3 28 0 0
where
item = 1--------------2--------------------3----------------4-5-6-7-8-9-10-11-12-13-14-15-16-17-18
1: Item ID
2: Item name
3: Item Description
4: Shop Price
5: Low Alch Value
6: High Alch Value
7: Stab Att Boost
8: Slash Att Boost
9: Crush Att Boost
10: Magic Att Boost
11: Range Att Boost
12: Stab Def Boost
13: Slash Def Boost
14: Crush Def Boost
15: Magic Def Boost
16: Range Def Boost
17: Strength Boost
18: Prayer Boost