HBW3511 Features: * Welding * Door chart with initial settings that quickly reference initial settings for different wires, gases, materials and thicknesses * Provides quick starting point for novices and professionals alike * Proven built-in wire feeder with quick-release tension lever provides positive feed with adjustable tension * Easy access for threading wire * Replaceable, built-in contactor, and convenient polarity changeover with tip holder for easy access makes it quick and easy to change polarity for solid or tubular wire * Quick-change, dual-groove drive roll for easy change from one wire size to another .023/.025 in (0.6 mm) or .030 -.035 in (0.8 - 0.9 mm) * Short circuit protection protects unit against current overload * Self-resetting thermal overload that protects power transformer to ensure reliability * Solid-state motor protects wire feed system from overload, no fuses to change or circuit breaker buttons to reset Includes: * Includes convenient storage holes for spare tips Specifications: * 7 voltage Selections, enhanced magnetics and infinite wire feed speed control offers easier fine control of the output parameters for improved arc performance with less spatter for a better bead appearance and less clean up