Lightweight aluminum body with Teflon coating for easy cleaning. Two-component TPR+PP ergonomic handle offering a secure grip. Aluminum adapter with Teflon coating compatible with standard threaded foam tips. Stainless steel needle, brass tip with ball valve, and Teflon barrel. Spring button and adjustable switch for precise flow control. Designed for filling joints and gaps with foam sealant, bonding, and sealing. Ideal for insulation, renovation, and construction work. Includes 2 versatile extensions and 2 tips to aid in foam access to gaps.