3.5in tall and just under 3in wide. The ball and chain can be removed and you can use it to easily cut hexagons, half hexagons, jewels & triangles! All of the shapes are cut from 3 different size strips. Cut Jewels from a 3 1/2in Strip. Cut Hexagons from a 2 1/2in Strip. Cut Half Hexagons from a 1 1/2in Strip. Cut Triangles from a 1 1/2in Strip. Can be used with the Mini Northern Lights pattern JBQ141 or JBQ142, Mini Disco pattern. Color: Clear Made of: Plastic Use: Quilting Ruler Size: 3.5in x 3in Included: One Ruler