THERMO-DRIVE0.04"(1.02MM)X0.09"(2.29 'Further Manufacturer's Details (for this range)...The PACE SX-80 is available separately as well as coming with the ST 115 station. The SX 80 handpiece provides thermally enhanced desoldering on all assemblies, especially during continuous use. With the new disposable Flux/Solder Trap that can be replaced within 15 seconds. It's slim-line pencil grip design and finger actuated vacuum switch allows easy use and manipulation in tight places.