The 300F series by Olmec is a Hydraulic swing clamp cylinder which comes with a flange. For this specific unit, it is ideal to use for all cases wherein the insertion and removal of the piece during machining must be facilitated. The clamping of this unit can comes in two phases. This could be either clockwise or anti-clockwise rotation having a partial descent of piston. In single acting model, the unit automatically returns in its initial point when pressure is released. In double acting model, the return of he clamp is guaranteed through its second hydraulic line. The whole unit comprises of an arm, long internal piston guide that comes with a case that is treated with hardened steel.