Dont ask why they has a z shaft on a break cue lmao but i wanna trade it for a 5/16-14 piloted z shaft of for 5/16-18 either one will work the shaft has a new hercules tip medium hard the but is a little dinged up its 19.5 ounce i believe shoots suprisingly well with the z shaft on it but i have nicer cues that i would like to have a predator shaft for if ya know what i mean well PM me ur email if ya want pics if ur interested and let me know what ya have thanks