What taper means
A shaft is thicker at the joint than at the tip. Taper describes how that thickness changes along the length. Two common profiles cover most pool cues:
| Profile | Shape | How it feels |
|---|---|---|
| Pro taper | Close to parallel for the first 10 to 15 in from the tip, then widens toward the joint | Consistent diameter through the bridge; whippier front end |
| Conical taper | Widens steadily from tip to joint | Stiffer feel; diameter in the bridge changes as you shorten or lengthen it |
| Hybrid tapers | Short parallel section, then a gradual cone | Somewhere between the two |
Exact measurements are set by each maker, so check the stated taper length.
Most modern pool shafts use some form of pro taper. A conical taper is more common on snooker cues and on some house and break cues.
Tip diameter
Tip diameter is the width of the shaft at the ferrule, which the tip matches. Pool cues commonly range from about 11.75 to 13 mm.
| Diameter | Typical use | Trade-off |
|---|---|---|
| About 12.75 to 13 mm | Traditional pool shafts, many house cues | Larger contact area; forgiving; a little more deflection |
| About 12.25 to 12.5 mm | Many current playing shafts | A middle ground most players adapt to quickly |
| About 11.75 to 12 mm | Many low-deflection and carbon shafts | Lower front-end mass; less forgiving of off-centre hits |
| About 9 to 10 mm | Snooker cues | Built for smaller, lighter balls |
How diameter changes play
- Deflection. A thinner shaft end usually carries less mass, which tends to reduce how far the cue ball pushes off line when you use side spin.
- Feel in the bridge. Players with larger hands sometimes find thin shafts awkward in a closed bridge.
- Miscue margin. A larger tip offers a bit more room on extreme spin shots. A smaller tip rewards accurate cueing.
- Spin. Spin comes from where you hit the cue ball and how well the tip grips, not from diameter alone. Tip shape and chalk matter more.
Shafts change with use
Each time a wooden shaft is cleaned with abrasives or sanded, it loses a little material. Over years that can reduce the diameter and change the taper near the tip. Use the gentle cleaning methods in the care guide and avoid sandpaper on the shaft.
Choosing
- If you are new, start around 12.5 to 13 mm with a pro taper.
- If you use a lot of side spin and want less deflection, try a thinner low-deflection shaft before buying one. See shaft materials.
- Many cues accept extra shafts, so you can keep the butt and change only the front end.