Aluminum Alloy Material-- Made of Aluminum alloy material,alloy is more sturdy than other metal,not easy to deform.Non-Slip Design-- Rubber pad,which can increase the friction between the table and the universal c-clamp,anti-slip and durable.Adjustable C-Clamp-- The universal c-clamp can be adjusted within 5cm/1.96,you can adjust according to what you need.Wide Application-- Suitable for table,desks,carts,benches,worktables,posts .What You Get--2pcs universal c-clamp; total size:7.7cm*2.5cm*8cm(3.03*0.98*2.36); 6mm thread holes and one 6mm thread hole.Aluminum Alloy Material:Made of Aluminum alloy material,alloy is more sturdy than other metal,not easy to deform.Non-Slip Design:Rubber pad,which can increase the friction between the table and the universal c-clamp,anti-slip and durable.Adjustable C-Clamp:The universal c-clamp can be adjusted within 5cm/1.96,you can adjust according to what you need.Wide Application:Suitable for table,desks,carts,benches,worktables,posts .What You Get:2pcs universal c-clamp; total size:7.7cm*2.5cm*8cm(3.03*0.98*2.36); 6mm thread holes and one 6mm thread hole.