Features:- Tone color is thick.- Strong durability.- The surface of the alloy is multilayered.- Long time is not oxidized.- Suitable for senior guitarists.- Adopt medium carbon steel hexagon core and full automatic winding technology, smoother and softer.- The nickel-alloy material makes the sound more plump and rich.Model: VX140Inner Material: Hexagonal CoreExternal Material: 10 % nickel alloy wireColor: As picture showsSize:- C: 030 inch / 0.76 mm- G: 045 inch / 1.14 mm - D: 065 inch / 1.65 mm - A: 080 inch / 2.03 mm - E: 100 inch / 2.54 mm - B: 125 inch / 3.18 mmPackage Weight : 140 G / 4.94 OuncesPackage Dimensions (L*W*H) : 180*150*5 MM / 7.09*5.91*0.20 InchesRetail Packaging: No, No PackingPackage Include:1 x 6pcs/set Guitar Strings