Back to back mounts only with cone nut fixings for back to back handles made in brass, stainless steel or aluminium 38mm diameter grip (not supplied) handle has 90mm overall projection and 38mm x 25mm back plates. 51mm diameter grip (not supplied) handle has 100mm overall projection and 51mm x 25mm back plates. Polished Brass. Stainless Steel. Anodised. Unfinished Aluminium.