Shoulder Washer Color White For Screw Size 1/4 in Inside Diameter 0.26 in Shoulder Outside Diameter 0.562 in Shoulder Height 0.06 in Sleeve Outside Diameter 0.375 in Overall Height 0.12 in Material Nylon Material Grade/Class 6/6 System of Measurement Inch Finish Plain Industry Standards UL94 V-2 Maximum Temperature 185 Degrees F Minimum Temperature -40 Degrees F Pack Size Small Pack Resistance Properties Corrosion Resistant Vibration Resistant Sleeve Height 0.06 in