Durable, professional-grade, PU foam applicator gun with corrosion-resistant nozzle. Robust metal construction, and convenient flow adjustment screw, for a precise application. Compatible with most types of gun-applied PU foam, making it an essential addition to any DIY toolkit. Ergonomically designed for comfortable use. Supplied with 4 x flexible polypropylene tubes (2 x 45mm and 2 x 175mm). Fits Most Gun-Applied Expanding PU Foam Types Adjustable Flow Control Valve Screw Brass-Coated Nickel Nozzle Fills, Seals & Insulates Small Gaps Easy to Use & Clean Stainless Steel Barrel & Needle Fits Most Gun-Applied Expanding PU Foam Types Adjustable Flow Control Valve Screw Brass-Coated Nickel Nozzle Fills, Seals & Insulates Small Gaps Easy to Use & Clean Stainless Steel Barrel & Needle