A replica saber, this is the pommel of the RK1 saber. The notches allow the screw hole to be alligned properly, as well as to help keep the pommel secure. The hole is ready to be threaded for an 8mm screw, or you can use one of the pins provided.
Please visit our website below to view how to construct your RK1 Saber:
http://polytrekindustries.blogspot.com/p/saber-industries.html