ITEM NAME:3.7mm 30W Replaceable Electric Soldering Tools Iron Bit Welder Solder Tips Description Specification: Brand new Material: copper Color: silver, as picture shows Length: approx. 60mm/2.36" Diameter: approx. 3.7mm/0.14" Power: 30W Pattern will be sent by random Features: By precision machining, special surface treatment, anti-high temperature oxidation and anti-corrosion wear After the head temperature tin treatment, welding, reliable, easy on the tin, anti-corrosion Heat and fast, suitable for a variety of external thermal electric iron Tip for lead-free solder, life will be reduced, under the premise of compliance with welding, soldering far as possible, extend tip life After soldering tip for some time, the surface will appear oxide layer, it is recommended to use special tools to remove, or the anti appears not eat tin Add an appropriate amount of rosin core solder working end tip regularly Package included: 1 x soldering tip (other accessories are not included) Note: Tip used for lead-free solder, life will be reduced a lot, it is recommended to make use of soldering, extend tip life After soldering tip for some time, the surface will appear oxide layer, it is recommended to use special tools to remove, or will cause not eat tin Remember not to dry, otherwise life will be very short Please allow 1-5mm errors due to manual measurement Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.Power: 30W. 1 x soldering tip (other accessories are not included). Add an appropriate amount of rosin core solder working end tip regularly. Heat and fast, suitable for a variety of external thermal electric iron.