IRWIN® QUICK-GRIP® 1-Inch Spring Clamp features high-tech resin construction that's both durable and strong. Use these small clamps for craft projects, small glue jobs or as temporary fasteners in the shop or around the house. Irwin spring clamps have non-marring resin jaw pads that prevent damage to clamped objects. Jaw pads also pivot, providing a sure grip on irregular or angled surfaces.