Phase 4 29 and 33 will also suit V3X 29 and 33. 

The High Octane Blackout Strings are perfect for archers needing a set quickly for a competition or hunt, their strings got damaged and they are needing a set immediately, or simply for an archer who would like to have a backup set for their bow. Blackout sets are available in over 150 popular compound and crossbow models. Each Blackout set is a full set of High Octane GAS Bowstrings made of 452X BCY material with black strings, cables, and speed nocks. Powergrip center serving comes standard on all GAS Bowstrings. Our exclusive TTS (Total Tensioning System) results in superior string performance eliminating peep rotation, serving separation, and elongation. Each set is backed by our one-year warranty.