Arrow Fastener T55C All-Chrome Staple Gun An excellent, all purpose tacking tool for the do-it-yourselfers Safety handle lock Loads 6 full sizes and Ceiltile staples Uses 1/4-inch 504 (2750-0719), 5/16-inch 505 (2750-0735), 3/8-inch 506 (2750-0750), 1/2-inch 508 (2750-0776), 9/16-inch 509 (2750-0792), and 17/32-inch 50CT Ceiltile (2750-0818) staples Chromed steel housing Made in the USA