product descriptionColor: silverQuantity: 2PCSPackage content: 2 * metal frame hinge clamp1.Fixing Screen - These screen printing hinge clamps are used to secure the screen frame when printing for perfect recording.2.Hand Screw - Equipped with a wide thumbscrew for a solid attachment of the clamp to the frame, durable and rust resistant.3. Butterfly Clips - Hinged clips, also known as butterfly clips, are used to secure your frame to a table or work surface.4. Positive Lock - These clamps also feature positive lock for perfect registration, easy to install features, and positive lock.5.For Beginners - Easy to install and positive locking for perfect recording, new beginners learn to screen printing.