soldering / desoldering tips & cartridges is sold 1 pack per case and is another quality product from Weller. Offers a needle tip. The of the important aspects of buying these products, for proper sizing, are the width, length and thickness of the tip. This product comes with a tip width of 1.5 mm, length of 1.654 in and thickness of 0.4 mm. This soldering / desoldering tips & cartridges is designed to work with WMRP – Soldering Pencil.