I have here some old unused switches, were these the ones used for the 100 OD? The toggle lever is about 7/16" long and just under 1/4" diameter at the widest point. Andy. http://homepages.slingshot.co.nz/~bce257/DSC09296.JPG http://homepages.slingshot.co.nz/~bce257/DSC09300.JPG http://homepages.slingshot.co.nz/~bce257/DSC09301.JPG