1990 HK Sentinel Volume 1 which measures 9" x 11-1/2" with 11 numbered pages CONTENT: This 1990 Sentinel is a newspaper format.It measures 9" x 11-1/2" folded and opens to 22-3/4" x 17-3/8".It features HK and Benelli firearms along with articles for Law Enforcement and Dealers. Excellent As-New condition