GearWrench 1/2" Drive 6 Point Deep Metric Socket 19mm Size:1/2" x 19mm The bi-metal construction adds durability

The bi-metal construction adds durability and prevents blade breaking

The oxygen diffusion barrier applied to the exterior limits oxygen permeation through the piping wall in hydronic heating applications which prevents corrosion of ferrous metal parts in the heating system

Use this all-in-one powerhouse to quickly and easily increase chlorine levels

5 Volt Alkaline Duracell Battery

GearWrench 1/2" Drive 6 Point Deep Metric Socket 19mm Size:1/2" x 19mm The bi-metal construction adds durabilityLiving up to the reputation of the brand, GEARWRENCH full polish chrome sockets deliver unprecedented speed, strength, and access to almost any job. Large, hard stamped markings allow for easy identification. Additionally, the off corner loading design puts force on the flats of fasteners for improved durability and reduced fastener rounding. Available in standard, mid length, and deep lengths, the GEARWRENCH sockets will get the job done. Features