Double Chuck CNC Laser Tube Cutter for Guardrail and Handrail Fabrication Product Overview The Double Chuck CNC Laser Tube Cutter from Mingzhou Laser is engineered specifically for guardrail, stair handrail, fence, and architectural metal fabrication applications. Featuring a dual chuck configuration with dedicated tube clamping structures for the cutting process, this machine supports round, square, and rectangular tube processing while combining cutting with hole processing