CenturionPro Silver Bullet TrimmerCENTURIONPRO SILVER BULLET TRIMMER QUANTANIUM DRY TUMBLER This unit comes with the Quantanium dry tumbler. This tumbler utilizes a non stick coating, making it the best bud trimmer in the industry. The Quantanium dry tumbler is resistant to damage and the non stick properties prevent trichomes from sticking to its surface. This results in up to 40% greater trichome preservation during the trimming process! The CenturionPro Original and Silver Bullet