Hornady Lock-n-Load Anvil Base Kit for Bullet Comparator. The Bullet Comparator is a Hornady reloading tool that accurately calculates bullet measurements with greater consistency than normal measurement techniques. The Hornady Comparator Anvil Base Set serves as a base to combine the reloading tool's body and bullet inserts. Hornady gives you everything you need to install this component of your Bullet Comparator with the Hornady Lock & Load Anvil Base Kit for Bullet Comparator. Specifications for Hornady Lock-n-Load Anvil Base Kit for Bullet Comparator: Manufacturer: Hornady Color: Red/Black Features of Hornady Lock-n-Load Anvil Base Kit for Bullet Comparator: Base for Hornady Bullet Comparator Includes everything you need to mount the Anvil Base to your Comparator's body and components Package Contents: Hornady Lock-n-Load Anvil Base Kit for Bullet Comparator Hornady AB1: Lock-n-Load Anvil Base Kit for Bullet Comparator