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