PM Professional series umbrellas are one of the finest quality photographic umbrellas built today. Our professional umbrella series features solid core frame construction for a lifetime of trouble free service. The 8mm solid stainless main rod construction and solid core stainless or fiber spines are designed to prevent œcrimping� and stand up to the demanding needs of professionals. These umbrellas all include a convenient storage/carrying cases. Available in professional sizes up to 72�