Features:
It is made of Aluminum and ABS material, powerful and stable.
Matte Box for 15mm / 0.6in rail rod support system.
It is suitable for lens from 43mm to 77mm / 1.7 - 3.0in.
Easy assembling and disassembling.
Easily to be upgraded.
International standard, it fits the 15mm / 0.6in stabilizer system (rail center to center distance: 60mm / 2.4in)

Specifications:
Material: Aluminum alloy + PC + ABS
Fit lens: 43mm - 77mm / 1.7 - 3.0in
Fit rail distance: 60mm / 2.4in
Fit rail diameter: 15mm / 0.6in
Compatibility: All (D)SLR cameras and camcorders
Matte box weight: 216g / 7.6oz
Package size: 26.7 * 20.5 * 7cm / 10.5 * 8.1 * 2.8in
Package weight: 328g / 11.6oz

Package list: 
1 * Set of Matte Box