Agate Arm Guard Polished and carved from a single piece of natural agate, this arm guard has lustrous dense texture and natural transparent color. The surface is regularly and smoothly polished with ergonomic shape and rounded edges. Adopting simple antique craftsmanship, it is covered with natural aged patina, 8.5cm in length and 3.5cm in width. Arm guards were traditional practical utensils in ancient times. Agate is tough and beautiful in texture. This classic well-preserved piece combines the charm of fine jade material and ancient utensil culture, with great value for playing, appreciation and collection.