This set includes the joint protectors for both the shaft and the butt for a 3/8 x 11 joint. Fits most Southwest, Prather and Mcdaniel cues.Features:Made from durable hard black plasticThread pattern: 3/8 x 11Fits most Southwest, Prather and Mcdaniel cuesIncludes male and female protectorsProtect cue joints from debris, drops and more