With one M10 threaded hole and one M8 threaded hole. The thread on the screw allows it to slide smoothly without getting stuck. Heavy duty C-clip: The C-clip is made of high-quality stainless steel with a surface coating, offering corrosion resistance and rust resistance. The I-beam design provides strength, ensuring a secure grip without deformation. Wide application range: The C-type clamp is functional and versatile, suitable for fixing parts during assembly, fastening, bonding, and welding. Commonly used in furniture manufacturing, metalworking, home, and automotive applications, this reliable metal C-clip helps hold items securely in place. Convenient to use: The clamp features adjustable set screws for customized tightening. It can be easily attached to table tops and wooden boards, providing strong clamping force and ease of use. Size: 120mm / 100mm / 85mm / 65mm Material: Stainless steel Color: Silver Package Contents: 2 x C clamps Note: Light reflection and different displays may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3cm.