Gelli Art's perfect placement tool is what the name suggests: it allows you to create perfectly aligned monoprints when using multiple layers. It is suitable to be used with 3x5", 5x7", 6x6" & 8x10" gel printing plates. - non-toxic, clear acrylic tool - durable with a long life, recyclable - laser-etched markings to guide you - helps you create prints in the centre of your paper