Cressi Plastic Shaft Loader | Black | 2021 The new Cressi Plastic Shaft Loader is a very comfortable anatomical loader for pneumatic spear guns. It is made from strong black plastic, is shaped for the four fingers on one side and the other side has the housing both for the spearhead (centre) and for the prongs spearhead so the speargun can be loaded irrespective of the head used. A through hole means you can add a band or line to attach it to the wrist. Light, durable and designed to offer the best performance.