Ground joint reducing sets / Bohlender / Bola

This set consists of PTFE reducing rings graduated in ground joint sizes NS14, NS19, NS24, NS29, NS34, NS45 and NS60. With these rings, different cone and socket sizes can be connected. For example, it is possible to fit a NS14 cone into a socket of NS45. Also other combinations are possible. With this set you can practically cover all requirements within the lab.