Back pull pattern for the inner spring instantaneous suction is strong Good little solder sucker, have a good bit of suction, you can just onto it and use your thumb to reset and suck Anti-static with replaceable nylon tip and aluminum housing Simple design allows easy one-handed use, lightweight and compact, suck the solder away easily for Ideal for use in labs, service shops, schools (), home and industry, Manufacturer: Hsyzygian