Mepps Aglia Plain Treble Fishing Lure Blue Platinum 1/3 Oz B4 BLP. One of the world s most productive lures the Mepps Plain Aglia is an in-line spinner that features a smaller appearance making it great for taking on smaller fish. The spinner blade creates lots of flash and water disruption grabbing the attention of nearby fish. This versatile little spinner is great for a number of situations and can take on panfish stream trout bass and even walleye. Equipped with a sharp treble hook for reliable hook sets.