Hex Shanks have been in demand by many of our customers. They are used to extend the reach of our Roloc Mandrels that come with the Ultimate Sanding Kit (or can be purchased separately). We have them in a set of 3”, 4” and 6” lengths. They can be used with the quick coupling feature or chucked in a regular drill chuck. The ends have 1/4 x 20 thread with a lock nut to keep it tight on whatever you fasten it to. Because they are made from plated steel they are very strong and the possibility for flex is eliminated.