UNI-LOC WEIGHT CARTRIDGE KITThe Uni-Loc Weight Cartridge Kit lets you fine-tune the weight of your cue within a tenth of a ounce (0.1 oz / 2.83 gr). Eight different weights, ranging from 0.1 oz. to 2 oz., give you up to 30 possible weight combinations for unmatched precision. The versatile installation tool has dual prongs that interlock with each weight and a detachable handle. The tool can be used with the handle for easy on-the-go tuning, or with a drill bit for lightning fast tuning at home.Weight sizes in Ounces: 0.1, 0.2, 0.3, 0.4, 0.5, 0.7, 1, 2 oz.Weight sizes in Grams: 3, 6, 8.5, 11, 14, 20, 28, 57 gr.Works with:8K SERIES9K SERIESBK III SERIESBLAK 2, 3, & 4 SERIESCRM SERIESIKON2 & 3 SERIESP3 SERIESSP6 SERIESSPORT II SERIESTHRONE SERIESROADLINE SNEAKY PETE SERIESLIMITED & SPECIAL ED. (2012 & NEWER)BKRUSH