Guyson Shot Blasters Manual Guyson Shot Blaster Models 125, 130, 200/20, 250/20, 300/20, 400/20, 400/40, 490/40, 600/40, 690/40, 600X/40, 800/40, 900/40, SBP/40, T40, T50, DBH. Operating Manual. Manufacturers: Guyson Models: 125 130 20 200 250 300 40 400 490 600 600X 690 800 900 DBH SBP T40 T50 Contents: Operators Manual