The Pro 4000 Series line of tripods have been made to meet the strict demands of the Pro Photographer. Manufactured of high-strength aluminum, all leg segments feature a unique trapezoid profile. This adds additional strength and rigidity to the tripod, especially under load. All leg segments are fully anodized. In addition, full length ergonomic rubber grips cover all three leg segments. Besides insuring sure purchase, these rubber grips are especially appreciated in cold or wet weather. The top mounting surface of the 4000 series is a round, heavy duty 2 ¼ metal mounting plate. This robust platform features a reversible ¼ / 3/8 camera stud, which can accommodate any camera or equipment. In addition, the outside edge of this mounting platform is ridged, which mates up with a corresponding ridged surface found on the bottom of all Magnesit Ballheads. ( Although this feature mates both products, it is not necessary to use Magnesit Ballheads only on the 4000 line, as any other manufacturers ballhead will work as well.) CU-4405 Universal Two tripods in one, the 4405 is a lightweight, sturdy tripod with a working height of 57 inches ( without ballhead or camera ). Besides being an extremely sturdy tripod, the CU-4405 has an additional feature that sets it apart from all others: the entire center column is removable, and extends into a separate, full height ( 57 inch ) monopod. Weighing just 14 ounces, the 4405 monopod has a uniqu