Pack 4 x Brass reduced nut 1 1/2 "x 1 1/4" thread 1 1/2 "x 1 1/4" size Fitting used in high pressure irrigation installations Used in civil works and in irrigation facilities Made of brass Made in Spain Equivalence of measurements to inches. 20mm = 1/2"           25mm = 3/4"           32mm = 1"...