Dadi di bloccaggio 7/16"-20 UHP in acciaio a profilo sottile con inserto in nylon grado 8
X1Tools Ultra-Hi-Performance Black-Oxide Grade 8 Steel Thin-Profile / Low Profile Nylon-Insert Locknuts / Stop-Nuts are made to resists loosening due to use or vibration without damaging threads thus prevent a fastener from backing off.