? Strong and Durable Hold These heavy-duty spring clamps are built to provide a secure grip for a variety of materials, including muslin, canvas, and paper. The 3-inch size ensures that they can clamp firmly onto a range of thicknesses without slipping. Perfect for photo studio setups, carpentry projects, or securing chromakey backgrounds for video production. ? Versatile Use Great for DIY enthusiasts and professionals, these clamps can be used for tasks like stretching canvas, holding up backgrounds for photography, or even during woodworking and craft projects. Their lightweight yet sturdy plastic design makes them easy to handle while maintaining exceptional durability. ? Easy to Use Safe With spring-loaded action, these clamps can be easily applied and released with one hand, providing effortless operation. They feature non-slip teeth for a tight, secure grip on materials. Ideal for both beginners and professionals.