The 937-4 small soldering station is a smart, process controllable, compact station with a bright digital display. A lock-out key card feature prevents the user from changing the temperature once it is set without the key card, thus preventing inadvertent or unauthorized temperature changes.

• Model 937-4 (Small Iron) - includes a 900S iron which requires 900S tips
• Model 937-5 (Medium Iron) - includes a 907 iron which requires 900M tips
• Model 937-6 (Large Iron) - includes a 908 iron which requires 900L tips