Check the listing for details. Magnetic fingerprint powder Police Crime lab 5oz silver. Color: Silver, Condition: New – Open box. Listed at 9.99 USD. From Faurot Forensic products This is a brand new never opened 5 oz jar of Magnetic print powder silver L-2401 . Please see my other auctions for more crime lab products Here is a chance to save a ton of money on NEW fingerpring products. high-quality magnetic powders for the crime scene investigator. When used they appear just like our regular fingerprint powders, but an iron ingredient is added so the investigator can spread the powder with our magnetic applicators. The Powder gathers around the magnetic tip of the applicator into a brush-like form. Using magnetic powder saves time, eliminates waste, and develops great prints. Use on non-ferrous surfaces only. I also have applicators and other colors see my other products !