Best Seller | Acratech GXP Ball Head with Knob Clamp 1205 *Save The Tax Instantly! Use B&H Payboo to get an instant rebate on the Tax amount. Free Express Shipping! Acratech GXP Ball Head with Knob Clamp Load Capacity: 50 lb, Height: 4.2", Weight: 1 lb, Arca-Type Compatible, 360° Pan with Independent Pan Lock, Tension Control, Use as Panoramic, Gimbal, or Ball Head, Knob Locking Mechanism,... more | | $509.95 FREE shipping go to store |