https://imgur.com/A0hykOo
Lyman makes a newer one and its on Amazon.
OG case length gauge, old one. Here is a current production one. Lyman E-Zee Case Gauge https://www.amazon.com/dp/B000N8N344/ref=cm_sw_r_cp_api_i_3A5AV9GJNVRK9VQS5D7K