The AndyMark Hex Molded Spacer 3/8 Hex Bore, 1.000in. Length is an essential component for maintaining the stability of mechanical assemblies. Crafted from durable black polycarbonate, this spacer is designed to resist stress cracking, ensuring longevity and reliability in various applications. It is suitable for use with common shaft types, including both hex and round shafts, providing versatility in design and construction. Ideal for projects requiring precise spacing, this spacer is a valuable addition to any engineering toolkit.