Sprinkler Head Wrench, The fastest most versatile way to replace & adjust sprinkler heads with no digging and no mess. Works on ALL SIZES & ALL BRANDS of Spray heads, Rotor heads & Jar Top valves up to 4" in diamater. Designed for the irrigation profesional. Examples: Hunter PGP ADJ Ultra PGJ I-20 I-90 Ps Pro-Spray Rain Bird 5000 5004 5006 Maxi-paw 1800 Toro T5 mini-8 570z Irritrol Orbit Weathermatic Signature K-Rain Nelson Automatic Underground Jar Top Valves Pop Up Repair Tool