The Competitor Choke Tube Case is designed to be versatile and compact. The foam lining and special dividers are designed to hold 5 standard choke tubes 3.25 inch or less or 3 extended choke tubes up to 5 inches long. Designed to firmly hold 12 Gauge Choke tubes. Also works with 16, 20 and 28 gauge, and .410 bore choke tubes. Clear Lid. Latch opens with one finger but offers a secure closure. 5.5 inches x 4 inches x 1.25 inches.