You get what you pay for ... just the predominant purchase criteria is the speed and reliability of delivery I did not expect an equivalent product to the major brands of equipment pro ... but I also known tooling manufactured in Asia to achieve neater. Indeed, after only one use a clamp (smallest) is already defective due to a poorly executed machining: the slots and the central hole are not coaxial with the thread which allows expansion of said gripper, 2 parts fail the clips are twisted in use. Pliers quasi HS.