The AndyMark Hex Molded Spacer 5mm Hex Bore, 0.063in. Length is an essential component for maintaining the stability of mechanical assemblies. Designed to fit common shaft types, this spacer is particularly suitable for applications requiring precise spacing. Constructed from durable black polycarbonate, it offers resistance to cracking under stress, making it a reliable choice for various engineering projects. Its lightweight nature ensures minimal impact on the overall weight of the assembly, while its compatibility with #10 hardware adds to its versatility.