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, providing corrosion resistance, rust resistance, and durability. The I-beam design offers enhanced strength, ensuring a secure grip without deformation. [Wide application range] The C-type clamp has strong functionality and a broad range of uses, suitable for fixing parts during assembly, fastening, bonding, and welding. Widely 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 that can be customized as needed. It can be easily attached to table tops and wooden boards, offering strong clamping force and user convenience. 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: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3cm.