These multi-tooth drive centres feature a ring of teeth around the
circumference of the tip, with a sprung point which retracts into the body when pressure is applied by the tailstock. The spring can be adjusted to give less tension for small delicate work. This design gives an extremely strong grip, thanks to the
many points of contact in the timber, which also minimises the risk of
splitting the timber.
As the grip is spread across many small teeth rather than 4 or 6 prongs,
it is possible to grip the timber sufficiently just by using the
clamping pressure of the lathe tailstock - no need to drive the tips
into the wood with a mallet.
Another benefit of this design is that your work can be removed from the
lathe and accurately repositioned, using the centre point and ting of
teeth as an accurate guide.
These drives also give a fantastic grip to paper-joint wood blanks, as
the ring of teeth grip on many points across the drive’s circumference
across both sections of wood on either side of the joint.