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Is that Cutin function?
 
And this script got some of example for cutin.

Thanks @Emistry. But my problem was solved by @AnnieRuru long time ago by PM. Thanks again for remind me of this thread, I'm forgot already. But still I believe your new Refine Funtion script will be useful. FYI, for refine rentitem equipments, I've use your previous script from Post #4 and it's working perfectly.
 
And for de-refine without removing the rentitem durations, @AnnieRuru was helping me by edit the script from Post #6.
 
Here it is :
 
prontera,155,175,3 script De-Refiner 85,{ set .@npc$,"[^0065DFThe Smith^000000]"; mes .@npc$; mes "Hello.."; mes " "; mes "I can de-refine all your refined equipments."; mes "Please make sure you have equipped the items."; next; // the next line "setarray" is to store the item ID of the character. Because player with their own hexed client ( aka. hacker ) might change equipment during the talk to npc setarray @equip[1],getequipid(1),getequipid(2),getequipid(3),getequipid(4),getequipid(5),getequipid(6),getequipid(7),getequipid(8),getequipid(9),getequipid(10); // store the equipment placement so I can optimize the script setarray .@a[1],256,16,32,2,4,64,8,128,512,1; select(getequipname(1),getequipname(2),getequipname(3),getequipname(4),getequipname(5),getequipname(6),getequipname(7),getequipname(8),getequipname(9),getequipname(10)); if ( !getequipisequiped(@menu) ) { mes .@npc$; mes "There's nothing equipped there..."; close; } if (countitem(7539)<10) { mes .@npc$; mes "You don't have enough Poring Coin to pay me to work with your equipment."; close; } if ( getequiprefinerycnt(@menu) > 10 || getequiprefinerycnt(@menu) == 0 ) { mes .@npc$; mes "This item cannot be de-refine."; close; } // now we make a check on them ... if ( getequipid(@menu) != @equip[@menu] ) { mes .@npc$; mes "Do you think I am that stupid?"; mes "You have changed the equipment !!"; mes "Get lost !!"; close; } // atcommand "@refine "+ .@a[@menu] +" -1"; downrefitem @menu; delitem 7539,10; mes .@npc$; mes "Your equipment has successfully de-refined."; close; }