NuFlex® 128 is a premium gun with all the features the professional demands. Durable, yet lightweight all-steel construction, full-sized contoured handle for precision and comfort. It is effortless to load a 28.8 fl oz (858 mL) cartridge into this caulking gun.

• Designed for 858 mL large cartridges
• 1:18 thrust ratio
• Durable
• Light-weight