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, rust resistance, and durability. The I-beam design provides strength, ensuring a secure grip without deformation. Wide application range: The C-type clamp has strong functionality and can be used for assembling, fastening, bonding, and welding parts. It is widely used in furniture manufacturing, metalworking, home, and automotive applications, ensuring items remain securely positioned. Convenient to use: The clamp features adjustable set screws that can be customized as needed. 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 allows an error of +/- 1-3cm.