You're looking at a set of five moulds for PMC art clay. The crucifix measures 15mm in width and 29mm in length, while the 'f' shape measures 8mm in width and 16mm in length. The heart shape measures 10mm by 11mm, the star shape is 13mm all round, and the small cross is also 13mm all round.This pack of five quality made silver clay push moulds are great for creating outstanding PMC pendants and other jewellery. Make sure each one is precisely shaped by flattening it with the plunger.Simply lubricate your mould with mould lubricant, insert the desired thickness of art clay into the mould using the 'cookie-cutter' edge, hold the cutting end to a flat or textured surface and gently push the plunger to obtain the desired shape. Remove once dry and fire in a ceramic mini kiln or stove top kiln (each sold separately).Designed for silver or gold clay. Best when used with Mitsubishi PMC3. Create your own jewellery for fun or profit