AccuTrans is a highly-sensitive, DNA-friendly casting material for toolmarks, firearms and lifting latent prints from difficult surfaces. Casting material comes in dual-stage tubes, which include casting material and catalyst. When utilized, casting material and catalyst are mixed on demand through a unique mixing tip. No hand mixing is required and casting material is only used as needed. Each kit includes two tubes of Forensic Sil, one applicator gun, 40 mixing tips and a carrying case.