Model Numbers Description and field of applications Technical specifications AT - 0 SUPERFAST The compact high speed (5,900) hits/min and very powerful needle scaler for a great variety of chipping and scaling applications in hard to reach areas:   pipes, boilers, containers, ships, heat exchangers, pen- stocks, etc.  Excellent power/weight ratio. Weight Air cons. Air pres.     Hose size Needles   4 1/2 lbs 3 1/4 cu/ft 70-90 psi (6-8 atm.) 3/8”  all models 51 fine No. 2 19 med No. 3 10 coarse No. 4  7 ex.crse No. 6 AT - 1 LIGHTWEIGHT The very handy, lightweight needle scaler for light chipping, scaling, and cleaning applications.  The ideal tool for removing flux and weld spatter on irregular surfaces, paint stripping, peening jobs. A must for every welder, mechanic, and painter.   weight air cons. air pres. needles 3 1/2 lbs 4 1/2 cu/ft 70-90 psi 29 fine No. 2 12 med. No. 3 7 coarse No. 4 AT-2-S Straight Handle The handiest scaler for medium derusting and descaling jobs. Ideal also for weld slag removal, paint stripping, removing the effects of atmospheric pollution.    Weight: Air cons.: Air pres.: Needles: 5 1/2 lbs 5 cu/ft 80-110 p.s.i. 51 fine No. 2 19 med. No. 3 12 coarse No. 4  7 ex crse No. 6 AT - 2 HANDY The handiest scaler for medium derusting and descaling jobs. Ideal also for weld slag removal, paint stripping, removing the effects of atmospheric pollution.  Precision built.   Weight: Air cons.: Air pres.: Needles: 6 lbs 5 cu/ft 80-110 p.s.i. 51 fine No. 2 19 med. No. 3 12 coarse No. 4 7 ex crse No. 6 AT - 3 VERSATILE The most versatile tool for derusting, descaling, cleaning; deslags and stress relieves welds in one action Preparation of structural steel work before painting. AIRTEC Needle Scalers work just as well underwater without modification! Weight Air cons. Air pres. Needles 8 lbs 6 cfm 80-110 p.s.i. 65 fine No. 2 28 medium No. 3 19 coarse No. 4  8 ex crse No. 6 AT - 4 POWERFUL The powerful and efficient tool for scarifying cleaning and roughening concrete, stones, brick work and structural steel. Removing barnacles, hard scale and salt water corrosion on ships and maritime installations. Weight Air cons. Air pres. Needles 12 lbs 8 3/4 cu/ft 80-110 p.s.i. 111 fine No. 2 49 medium No. 3 35 coarse No. 4 13 ex.crse. No. 6

	Model Numbers Description and field of applications Technical specifications AT-1-K SUPERFAST The very handy lighweight needle scaler for light chipping, scaling and cleaning applications. Low air consumption. All critical parts made from special hardened alloy steel. weight air cons. air press needles 3 lbs 4 1/2 cu/ft 70-90-p.s.i. 29 fine No. 2 12 med. No. 3 7 coarse No. 4 AT-2-SK LIGHTWEIGHT The compact and very powerful Needle Scaler for a great variety of chipping and scaling applications in hard-to-reach areas: Compact, lightweight design for better working comfort. weight air cons. air press needles 5 lbs 5 cu/ft 80-110 p.s.i. 51 fine No. 2 19 medium No. 3 12 coarse No.4  7 ex. crse No. 6 AT-2-K HANDY The handiest scaler for many derusting and descaling jobs. Ideal also for weld slag removal, stress relieving, paint stripping. Precision built. weight air cons. air press needles 5 1/2 lbs 5 cu/ft 80-110 p.s.i. 51 fine No. 2 19 medium No. 3 12 coarse No. 4  7 ex. crse No. 6 AT-3-K VERSATILE The most versatile tool for derusting, descaling, cleaning; deslags and stress releives in one action. Preparation of structural steel work before painting. AIRTEC Needle Scalers work just as well underwater without modification! weight air cons. air press needles 7 1/2 lbs 6 cu/ft 80-110 p.s.i. 65 fine No. 2 28 medium No. 3 19 coarse No. 4  8 ex crse No. 6 AT-4-K POWERFUL The powerful, heavy-duty tool for scarifying, cleaning and roughening concrete, stones, brick work. Removing bernacles, hard scale and salt water corrosion. weight air cons. air press needles 10 lbs 8 3/4 cu/ft 80-110 p.s.i. 111 fine No. 2 49 medium No. 3 35 coarse No. 4 13 ex crse No. 6