The Joint Block clamps to a vise stem to serve as a mount for up to four accessories at a time. The block can be pivoted around the vise stem and a swivel mount allows an accessory to be positioned at many angles. It fits on vise stems from 8 mm to 10 mm (including American vises with 3/8 in. stem). Supplied with 8 mm adaptor bushing and allen key.
This is a very hand PC of kit. However it's set-up for stonfo bobbin rest etc and they're 5mm in diameter
S
Sharon
Stonfo tools
Stonfo is a spectacular fly tying tools maker from vise to bobbins and things you never thought of. And every tool or accessory I own is flawless. Great tools
A
AJ
Stonfo
Stonfo has a great line of products, from shrimp and crab eyes to dubbing brushes makers,vises tools and everything in between they make is top shelf.