1. The 9-inch spring clips are made of certain materials, which are quite durable, with relatively strong clamping force and can hold items firmly, bringing convenience to your work and life. 2. The total length of the clip is 9 inches, and the maximum opening is 4 inches. It is suitable for various scenarios, such as woodworking, photo studios, background setting, parties, warehouses, etc., and can be used wherever needed. 3. The clip head is soft, flexible and rotatable. There are small serrations at the clip mouth, which can increase some friction. 4. The heavy-duty spring provides a relatively strong clamping force. It adopts a non-slip handle design, which is comfortable to use. The edges and corners are processed to prevent accidental scratches, paying attention to details. 5. The structure is reinforced and can hold items tightly, stably and for a long time. There is a durable gasket (clip piece) on the surface. The handle conforms to ergonomics and has a comfortable grip. It is a suitable choice for photography, background setting, woodworking and other fields. 6. Material: Steel + plastic 7. Color: Black 8. Package contents: 4 clips 9. Only the above package contents are included, not other products. 10. Note: Light reflection and different displays may cause the color of the items in the picture to be slightly different from the actual object. The allowable measurement error is plus or minus 1 - 3 cm.