West System Pump Set 5:1 (A Pack) – Precision dispensing pump set designed for WEST SYSTEM 105 Resin with 205 or 206 Hardeners. Calibrated to deliver the exact 5:1 volume ratio with a single stroke, ensuring accurate mixing for epoxy repairs and marine projects. Mounts directly onto resin and hardener containers for convenience and efficiency. Ideal for DIY and professional boatbuilding, woodworking, and marine repairs. Do not use with 207 or 209 hardeners. Shipping may take up to 5 working days.