2Pcs Screen Frame Butterfly Hinge Clamp for Silk Screen Printing Hobby Printer I
They are used for fixing screens when printing. Screen Printing Clamp Features: Sturdy and rust-resistant. Height: 3.5" (90mm) Length of Clamp: 2.4" (60mm) Net Weight: 0.44Lb (0.2kg). For Starters, new beginners learn how to screen printing.