With one M10 threaded hole and one M8 threaded hole. The thread on the screw allows it to slide smoothly without sticking. 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 a broad range of applications, suitable for fixing parts during assembly, fastening, bonding, and welding. Widely used in furniture manufacturing, metal processing, home, and automotive applications, this reliable metal C-clip ensures components stay 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 Material: Stainless steel Color: Silver Package Contents: 2 x C-clips Only the above package content is included; other items are not included. Note: Light reflection and different display settings may cause slight color variations between the image and the actual item. Measurement allows an error of +/- 1-3cm.