RCBS Case Trimmer Collet No. 1. They secure cases for trimming to length. With a durable and high-quality design RCBS Case Trimmer Collets are a must-have accessory for consistent case trimming and maintenance. Whether you're a seasoned professional or just starting out RCBS Case Trimmer Collets are an essential accessory for your reloading gear. Get the most out of your case trimming with RCBS Case Trimmer Collets. Note: For use with Rotary Case Trimmer and Rotary Case Trimmer 2 only. Specifications for RCBS Case Trimmer Collets: Manufacturer: RCBS Quantity: 1 Color: Silver Country of Origin: USA Features of RCBS Case Trimmer Collets Secure cases for trimming to length Durable and high-quality design Use with Rotary Case Trimmer and Rotary Case Trimmer - 2 only Package Contents: RCBS Case Trimmer Collets We offer the complete line of RCBS Reloading Equipment. For our complete selection of products by RCBS Gear on sale please visit our RCBS Gear page. For more Reloading Equipment please visit our Reloading Equipment store section. RCBS 9371: Case Trimmer Collet No.