Hard nylon case die used to hold Rado watch while installing the case back. Non-marring, it will not scratch and protects the crystal and crown when closing the watch. Dies fit BB style press; the square base measures 48mm.
Round or square nylon case dies
Non-marring
Round sizes: 23.0, 31.5, 33.5mm
Rectangle sizes: 19.2 x 22, 24.3 x 28, 27.4 x 34mm