These are wonderful, versatile prisms in genuine sparkling lead crystal! The bottom crystal measures 1 1/2 inches long......the whole thing, including the top faceted lentil shaped crystal measures 2 inches. These can be used in tons of ways....take them apart and add a bail to the bottom crystal; instant prism pendant! Or use them to accent a rear-view mirror ornament, Christmas ornaments, add them to the bottom fringe of an amulet bag, use as fan pulls.....the possibilities are limited only by your imagination! Top and bottom crystals are connected by gold plated base metal findings....easy to bend and remove. And, at this great price, you can afford to buy several to use in different projects!