MTM ST-20-40 20-Gauge 50-Round Shotshell Tray Fits SF, SD and S-100 (Black) 20-Gauge shotshell trays that hold 50 each; Perfect for storing reloads Built durable and are stackable Good space saver in your reloading area These trays fit into the SD-100 and SF-100, as well as the discontinued S-100s; NOT designed for the SH-100s Made in the USA