The STARTUL Master semi-barrel caulking gun is a professional-grade tool designed for frequent and demanding applications of sealants and adhesives. Its robust steel construction and efficient thrust mechanism ensure durability and precise control when working with standard 310 ml cartridges.

Key Features:

• Professional Durability: Built with a sturdy steel body to withstand rigorous use on job sites and in workshops.

• Efficient Thrust Mechanism: The semi-closed barrel design and smooth trigger action provide consistent, controlled material flow with less effort.

• Reliable for Heavy Use: Ideal for contractors and serious DIYers who require a dependable tool for sealing, filling, and bonding tasks.