Heavy metal cast plated butterfly screw to clamp silk screen printing frame. Once secured to printing table by screws it enables precision print registration. Clamp up to 5cm (2″) thick printing frame. Install in pair of 2 pieces on to printing table. Hinged clamp lifts silk screen cleanly for the next print.
Suitable for stencilling or printing T shirt, card making, posters, compressed foam and metal or plastic plate.