Recommended for 12-30 mm burs. With drain holes to prevent bur rusting. Adjustable height for multiple length burs. Guards burs from breaks during sterilizing cycles. Protect burs from damage during ultrasonic sterilization and disinfection with Steri-Bur Guards. These bur guards have an adjustable height for multiple-length latch, friction grip, and HP burs. They include one short bur adapter with a bur guard suitable for long and short burs in the same bur guard. The drain holes on the bottom guarantee rust prevention on burs. Each bur guard comes with a detachable lid and contains a microbial protection feature to prevent bacterial growth. Available in various colors. Dimensions: 4-7/8" x 7/16" x 1-1/2".