Multi Grooved Turnscrew

Wood handled Ebony Turnscrew with yellow brass ferrule and hardened steel blade.
Blade narrows to width of 5/16" / 8.0mm, or less if requested.
Overall length of tool is 135mm.
There is also a matching nipple key available (NK3) which is available in 0.195" square, 0.260" square, 0.195" slotted
Please note that this tool is assembled and finished to order, a period of four weeks should be allowed for delivery.