When selecting wheels for your sliding door track, consider the following factors

In ancient societies, spear-making was a crucial skill for survival, hunting, and war. Traditional spearheads were made from materials such as stone and bronze; however, the advent of cast iron during the Iron Age significantly transformed their construction. The casting process allowed for more intricate designs and larger production volumes, thereby providing warriors with a reliable and effective tool for combat.
Generally, they are durable since the material is solid and exhibits high resistance to many mechanical and environmental conditions.