 "Manfrotto Video Camera Plate - 504PLONG"
 "This long version of the standard plate allows perfect balance for camcorders with unusual weight distribution caused by telescopic lenses or heavy batteries. Supplied 2x1/4&rdquo; and 2x3/8&rdquo; camera fixing screws. Dimensions: 140x10.7x50mm (5.5x0.4x2in)."
 "Bogen Manfrotto 501 Quick Release Plate Long"@en Long 501PLONG - Filmtools"@en
"
Long version of the standard plate
Allows perfect balance 
Laser engraved scale
Supplied with 2 x 1/4" and 2 x 3/8" camera fixing screws
"@en 