McMaster 97135A250 High Strength Steel Nylon Insert Locknut, Pack of 10, Grade 8, Zinc Yellow Chromate Plated, 1 2" 13 Thread G5205742 Take on a wide range Take on a wide range of demanding applications with the 20V MAX* XR Brushless 1 2 in Angle Broom Bristle Material Pantone Sweep Face 7 Bristle Length 5 in Bristle Color Blue Handle Length 46 in Handle Material Metal Handle Color Blue Chemical Resistant No Features Handle Has Hole For Hanging Acid Resistant No Color Coding System No suitable for most wet and outdoor environments The nylon insert grips the screw to prevent loosening from moderate vibration without damaging threads