Republic Lagun CNC Corp. CNC Series Knee Machining Centers Knee Machining Centers (KMC's), our family of full (opt 4 & 5) axis of CNC (computer numerically controlled) vertical milling machines includes Mulit-heads and swivel-head knee machining centers Specifications: KMC 250 / KMC 250-S CNC Knee Machining Center 24"x14"x6" (609x355x152mm) X-Y-Z axes travel with 16" (406 mm) knee travel Specifications: KMC 310 / KMC 310-S CNC Knee Machining Center 27" x 15" 6.5" (685 x 381 x165mm) X-Y-Z axes travel with 16" knee travel