These Heavy Duty lever grease guns are designed for use in industrial applications. Grease guns are available in 10 colors for quick and easy coloring. Provided with both a 6" steel extension and 12" flexible extension. Also includes variable stroke lever action for greater control.- 3 way packable – cartridge, suction fill or by filler pump- Have capacity for 400gr cartridges or will fit 500gr bulk filled- 1/8"NPT threads- Soft rubber grip for non-slip operation- Delivers 1 gm/stroke (1 oz/28 strokes)- Provided with both a 6” steel and 12” flexible extensionSteel body grease guns are available in 10 OilSafe colors.Steel Body Tubes offer durable protection in a color-coded tube for easy identification.