What's in the box:

Manbily ZW-02 Rotatable Tripod Extension Tripod Boom Arm Multi-Angle Center Column with Locking System 10KG Load Capacity for Studio Photography Overhead Macro Photography (Standard)

Features:
With 3/8" screw hole on the bottom, can be easily mounted to most tripods, ball heads, monopods, etc. Also has a 3/8" screw, compatible with most cameras, tripods, monopods, etc.
Horizontal 360 degree rotatable and vertical 180 degree rotatable, can satisfy your various photography angle needs.
The extension arm can add additional height for the tripod, capturing larger range of beautiful scenery.
When use with a low tripod (not included), the extension arm is perfect for low-angle macro photography. Also suitable for scenery photography, portrait, etc.
Made from premium aluminum alloy, the axis tube diameter is 25mm and the maximum load capacity is up to 10kg, sturdy for use.

Specifications:
Brand: Manbily
Model: ZW-02
Color: Black
Material: Aluminum alloy
Tube Diameter: 25mm/ 0.98inch
Load Capacity: 10kg
Product Size: 50 * 5.8 * 5.8cm/ 19.6 * 2.2 * 2.2inch
Product Weight: 592g/ 20.8oz
Package Size: 53 * *9.2 * 8.5cm/ 20.8 * 3.6 * 3.3inch
Package Weight: 817g/ 28.81oz

Package List:
1 * Tripod Extension Arm
1 * Locking System