The Hornady Lock-N-Load Powder Measure Handgun Powder Sleeve is a great replacement item to have on hand for your powder measure. You never know when a part might break or wear out. Be prepared for anything with high quality factory replacement parts that will have your Hornady Lock-N-Load Powder Measure with Case Activated Powder Drop running like new again in not time. Notes: This is a replacement part that goes inside the Case Activated Powder Drop