TOOGOO(R) Soldering Tip 900m-t-1 for Standard Solder Station Iron The head shape of the Soldering Solder Tip 900M-T-1 is taper punch. Inner diameter of the 900M-T-1 Solder Tip (approx): 0.160" Outer diameter of the 900M-T-1 Standard Solder Station Iron (approx): 0.256" Total length (approx): 1.693" Package included: 1 x Solder Tip 900M-T-1