Iszy Billiards Magnetic Pool Cue Chalk Holder with Belt Clip (13-mm, Black) Go to amazon.com Related posts Top 13 best cue chalk black FeatureMagnetic Pool Cue Chalk HolderStrong magnet keeps chalk on belt clipFits 13 mm chalk - Chalk not included - Color black DescriptionStrong magnet keeps chalk on belt clip. Fits 13 mm chalk. Chalk not included .Color black.