 "Manfrotto Hydrostatic Ball Head With Rc4 Rapid Connect Plate (410Pl) 468MGRC4"@en 468MGRC4 - Filmtools"@en
"
Advanced ball head
Independent pan and tilt locks
360 pan 
90 / -90 tilt movement 
Magnesium die cast body
2" Teflon coated aluminum ball 
1/4'' screw and 3/8'' screw attachment type
Load capacity: 35.27 lbs
RC4 Rapid Connect Plate
"@en 
 "Manfrotto Hydrostatic Ball Head (with RC4 Rapid Connect System)"@en, " Manfrotto System) "@en Prices - CNET"@en