Underground Sprinkler Adjustment Tool, 16-In-1 Washers Its formula is non-acidic so

Its formula is non-acidic so it will not harm your stone or grout

CAUTION: Harmful if swallowed

Made from solid brass for corrosion resistance

Rings act as wedges to keep nail in place preventing pop out

designed for interior & exterior surfaces that are tough to repair & subject to movement

Underground Sprinkler Adjustment Tool, 16-In-1 Washers Its formula is non-acidic so16 in 1 sprinkler adjustment tool, includes stem clip, for easy nozzle replacement, fixed nozzle socket, removes brass nozzles, 3 stem pullers, threaded to fit most brands, 2 gear drive tools, adjusts spray pattern & distance, punch tool, for micro irrigation & 5 screw driver bits, for adjusting spray heads, cleaning nozzles.