Chrome plated steel. Tripods are meant to be used in conjunction with wire gauze, triangles or a sand bath. Holding ring with 150 mm diameter can be reduced to 125 mm with the supplied reducement attachment.
POA means "Price On Application". Items displaying POA instead of the sell price do so for a number of reasons, not least because we anticipate some additional information is required in order to supply the most suitable options/configuration to each individual customer.