Newborn Dripless Caulking Gun: This premium fiberglass reinforced nylon caulking gun is a must for your caulking needs. It features a patended dripless spring clip drive to stop the flow of material as soon as the trigger is released. The fiberglass reinforced nylon is lightweight and durable. Comes with a built in spout cutter, retractable seal puncture tool, and metal ladder hook.