Robert sorby patriot chuck (lathe spindle thread size ¾" x 10). the new patriot lathe chuck is the latest new product from robert sorby. it comes after many years of experience in selling, marketing & distributing another chuck. hence the design incorporates all the key features which turners look for in a scroll chuck. Compact design which does not strain lathe bearings yet is ideal for all sizes of project. inserted system so there is a size to fit almost every lathe. all jaws are perfectly matched so there is no need for tiresome number matching. The single key operation with positive location requires only the lightest of touches. key is articulated to allow access behind large projects true compression angles on drive & driven gear ensure smooth operation every time jaws stops prevent slides from working loose. wide selection of useful jaws give additional versatility. jaws dovetailed on inside & outside face. Enclosed back protects gearing against dust. backplate is removable for easy maintenance & cleaning. comes complete with 2" jaws & woodscrew. english instruction manual supplied. These chucks are all made in sheffield, england & come with unrivalled robert sorby after-sales service.