A506 Steel Core Plated Steel Coated Alloy Wound Light Super Light is made by the latest technology, with the -plated steel plain string, -plated alloy wire. It owns the tone, high antirust Protection which is 4 to 5 stronger than of the normal string. It is the for practicing. Number : A506-SLBrand Name : Type : StringsApplication : Electric GuitarStrings : 1st to 6thFor : Super LightA506-SL material inch mmE-1st Plain Steel 009 0.23B-2nd Plain Steel 011 0.28G-3rd Plain Steel 016 0.41D-4th Alloy Wound 024 0.61A-5th Alloy Wound 032 0.81E-6th Alloy Wound 042 1.07Colour: silverMaterial: alloyPackage Contents:6 * Guitar StringOnly the above package content, other products are not included.Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.