This is the RazoRock Halo 100mm Titanium handle. Compatible with all RazoRock Razors and most 3 piece safety razors available on the market with a M5 x 8 thread. RazoRock Handles are mechanically finished, ie not by hand. There may be micro imperfections which are not visible on the more expensive brand named razor handles. Length: 100mmDiameter: 13mmWeight: 49g