The Ultra Micrometer Seater Die is a precision-engineered, non-crimping style seater die (except for the 30-30) that ensures perfect alignment of the bullet and case during the seating process. As the bullet is press-fit seated, the die maintains flawless alignment for consistent and accurate results. A convenient micrometer allows for easy adjustment of the bullet seating depth to match your exact specifications. Once the bullet is seated close to the desired depth, simply measure it and adjust the micrometer stem up or down to fine-tune the seating depth. This guarantees that each cartridge will be seated to the precise length you need, ensuring optimal performance and accuracy.