| Strength Tester |  The Pepe Finger Striker | 1930 | Fey, Edmund C. San Francisco, CA, USA |
| Strength Tester | The Perfect Muscle Developer | 1920 | Mills Novelty Co. Chicago, IL, USA |
| Strength Tester | The Sportif | 1928 | Martinache, S. Paris, France |
| Strength Tester | The Sportif | 1929 | Delecluse, A. France |
| Strength Tester | The Striker | 1979 | Alca Electronics, Ltd. England |
| Strength Tester | The Western Look | 19?? | Vending International |
| Strength Tester | Tiger Tail Puller | 1925 | ESCO Exhibit Supply Co. Chicago, IL, USA |
| Strength Tester | Tigh-O-Graph | 19?? | Unknown |
| Strength Tester | Tirez Nénette | 1930 | Béthune, A.F. France |
| Strength Tester | Tower Grip or Blow | 190? | Caille Bros. Co., The Detroit, MI, USA |
| Strength Tester | Tower Lifter | 190? | Caille Bros. Co., The Detroit, MI, USA |
| Strength Tester | Triple Threat | 1929 | Hercules Novelty Co. Chicago, IL, USA |
| Strength Tester | Triumph Punching Machine | 1903 | Rosenfield Mfg. Co. New York, NY, USA |
| Strength Tester | True Grip Challenge | 200? | Impulse Amusements |
| Strength Tester | True Grip Challenge Classic model | 200? | Impulse Amusements |
| Strength Tester | Try Your Grip | 1895 | Mechanical Trading Co. London, England |
| Strength Tester | Try Your Grip | 1888 | Beetz, P. Brooklyn, NY, USA |
| Strength Tester | Try Your Strength | 1885 | Rowland & Son, A. London, England |
| Strength Tester | Try your Twist | 1895 | Mechanical Trading Co. London, England |
| Strength Tester | Tungo | 195? | International Mutoscope Reel Co., Inc. New York, NY, USA |
| Strength Tester | Tyler Muscle Builder | 1931 | Tyler Automatic Machines Co. USA |
| Strength Tester | Tyler Muscle Tester | 1929 | Southern Specialty Co. Clarksville, TN, USA |
| Strength Tester | Udezumou | 199? | Togo |
| Strength Tester | Ultimate Big Punch | 200? | Smart Industries Corp. Des Moines, IA, USA |
| Strength Tester | Ultimate Big Punch Deluxe | 2008 | Smart Industries Corp. Des Moines, IA, USA |
| Strength Tester | Unikum Kraftprüfer | 19?? | Jentzsch & Meerz, Max Leipzig, Germany |
| Strength Tester | Universal Grip | 194? | Holly Mfg. Co. Detroit, MI, USA |
| Strength Tester | Vertical Puncher | 190? | Caille Bros. Co., The Detroit, MI, USA |
| Strength Tester | Vibrator Muscle Builder | 193? | ESCO Exhibit Supply Co. Chicago, IL, USA |
| Strength Tester | Weight Blower | 1905 | Mills Novelty Co. Chicago, IL, USA |
| Strength Tester | Wer ist Der Stärkst? | 19?? | Fritzsche, Dretchsler & Co., G.m.b.H. Germany |
| Strength Tester | What You Should Know | 193? | ESCO Exhibit Supply Co. Chicago, IL, USA |
| Strength Tester | Wheel of Boxing | 2009 | Kalkomat Krakow, Poland |
| Strength Tester | Wrist Tester | 1894 | Pearson, Augustus W. Marblehead, MS, USA |
| Strength Tester | Wrist Twist Model 1 | 1904 | Rosenfield Mfg. Co. New York, NY, USA |
| Strength Tester | Yoyoo Punch Space | 2006 | Unknown Korea |
