Extreme Blocks for invert spearguns, Kleinsub

Latest generation blocks, designed and manufactured to offer the highest possible performance.

The pulley, machined from solid from a bar of a special polymer characterized by high strength and low friction, is characterized by a groove with a sharp angle that offers the line maximum adherence inside: in this way, the line is prevented from slipping on the pulley .

The frame is made of stainless steel for laser cutting.

The structure of this special block allows the hooking of "cluster" tires (see attached photos); each block can accommodate up to 4 rubber bands.

Extreme Blocks