XR-10 This is a new high performance air dry filler designed for use on fine cracks or bare spots in leather it can also be used over other air dry fillers to level them out. This product has a thinner viscosity and will provide an extremely durable and flexible repairs. It can be lightly grained using the sizzle grain technique or by warming it to cure it part of the way then press a grain pad into it. Be careful removing the grain pad be sure the filler is fully dry or it can lift. Once fully dry you can lightly sand with 6oo grit sand paper and apply a texture with Grain-X spray grain or Texture Paste. Then finish with color This product is part of the XR series extreme repair products.