A heavy duty caulking gun from ProDec which is suitable for use with tubes from 310ml & 400ml. Designed for use with high viscosity caulks this caulking gun is durable and easy to use for long periods of time. Featuring a finger moulded trigger making caulking simple and a u-shaped iron push bar which is ideal for hooking on to a belt or ladder when working at height. Produced to be even stronger than standard caulking skeleton guns. Key Features: Suitable for 310ml & 400ml caulking tubes Extra-strong & heavy duty Finger moulded trigger