The Ermes Universal Invert Roller Head is designed to fit speargun barrels with an inner diameter from 25.5mm to 26.5mm. This model comes fitted with ceramic bearings, for smoother loading. It can be used to convert a speargun to inverted roller system or to build an invert roller speargun from parts.

Compact and low profile head, allowing removal of rubbers to rear of speargun, improving maneouvrability and tracking over both conventional loop band and roller speargun set-ups. Pulleys can also be incorporated into the invert roller configuration to further improve power and ease of loading.

The roller head is made from a single piece of delrin, with invert roller wheels to take dyneema or spectra line. Head has a removable single piece delrin machined line stopper.

The male spigot has an O-rings and can have shooting line wrapped on the left or right of the muzzle.

Has an integrated stainless steel removable pin muzzle bungee attaching point that doubles as a reel line guide.

This ultra narrow, low profile invert head is turned using CNC, from sturdy Delrin. All other components are made from the highest quality stainless steel.