Sal Ammoniac Tinning Block - 1/4 lb. bar

Sal ammoniac, also referred to as a tinning block, quickly cleans away any residue that has accumulated on the tip of your soldering iron. Sal ammoniac will also help re-plate and re-tin your worn soldering iron tips. Keeping your iron tips clean and well-maintained is key in creating clean soldered joints. Sold in solid 1/4 lb. bar.