The SR3 and SR3 XP Series of Performa Junior machines consist of machining centers with high quality performance. They are manufactured using the durable meehanite iron foundry. This unit features a space-saving structure and highly accurate machining processes. They are equipped with an internal spindle air chilling and a cooling system from the head cartridge. They also operate with a pneumatic counter balance and an armless type of ATC backlash cam roller.