Features: l Brand new and high quality l Easy to use stable performance l High sensitivity, smooth and very touch sensitive l Only compatible with Surface touch stylus pens with single-sided buttons l Easy and convenient to install and remove Specification: l 4 nibs: 2H, H, HB, B l Size: 41.81 x 22 x 8mm l Weight: 5g Packing includes: l 1 x Nib kit