Robert Sorby Steb Drive 7/8 STBCHUCK ONEID_OVER_18 Plus any other brand with

Plus any other brand with a 1" x 8tpi thread

They also feature a reverse dovetail for a contracting grip on large spigots

which also minimises the risk of splitting the timber

Code Size  (in) Handle Length (in)  Overall Length (in) B814061 1/4"  8 1/2" 12 1/2" B814101 3/8" 8 1/2" 13 1/2"

as in addition to their strong grip

Robert Sorby Steb Drive 7/8 STBCHUCK ONEID_OVER_18 Plus any other brand withA Robert Sorby steb drive is held securely by the jaws of the Patriot chuck, the Steb Drive ensures an unrivalled grip on any wood. It uses the same innovative head design as the original Stebcentre holding the wood securely with its forward facing serrated teeth and spring loaded centre pin.