4Pcs Adjustable 90 Degree Right Angle Welding Corner Clamp Set Clip Holding Corners for Welding in One Paper Box

• Fast fixing wood boards and frames at an angle of 90 degrees.
• Made of premium quality polyamide material, which is durable for long service life.
• Huge spring tension can keep boards sturdy in place when screwing.
• Lightweight and convenient, which can be operated with one hand.
• A set of 4 corner clamps is perfect for aligning, nailing, woodworking, welding, screwing, making cabinets, etc.