Plus Series Torches, 10 in 90 Deg Head, Tip Series:1 ORS NASCO and aligning applications Provides both chisel and aligning applications Provides both chisel and tapered tips for a wide range of tasks Durable hardened tool steel construction Superior dexterity and flexibility Surface provides tactile feel and secure grip Breathable back of hand minimizes perspiration Designed for long preheat control valve flow and reduced user fatigue due to improved balance Improved access and reparability of mixer with single nut removal Superior cutting oxygen valve with improved feathering ease on control No wrench flats on connection nut indicates hand tightening only for safer operation Internal connection snap ring prevents coupling nut sliding and exposure to o rings for reduced damage Improved head durability