
40X50cm Canvas Stretching Machine for Painting by Numbers. High Efficiency Stapling: Machine can staple 2 sides in 7-15 seconds for maximum productivity. Adjustable Tension & Size: Size, tension, and thickness can be adjusted in a few seconds via touch screen. Large Data Storage: Stores all product sizes; change settings instantly with a single click. Dual Output Modes: Choose front or back output mode to optimize workspace efficiency. Stable Advanced Technology: Updated technology over 7 years ensures stable performance and low failure rate. Flexible Staple Options: Supports 80 series staples with 11.4mm or 12.8mm crown; customization available. Comprehensive After-Sales: 7x24 online service and optional face-to-face guidance provided. Easy Installation: No complicated installation required; just power on and connect air compressor.