NEEWER is a registered trademark. ONLY Authorized seller of NEEWER can sell under NEEWER listings. Load Vest This Load Vest is simplified, which can be detached to front and back parts, back is lined with sponge for comfortable wear; front is constructed with fixed metal model to fit you. Using Velcro and side release buckle to connect that one size fits all. There is a thinner chest plate and a single knob to adjust its height (11-step height adjustable). It is more flexible to operate. There are two 10cm hole can be inserted by arm Single Handle Arm This arm is made of high quality metal. There are two connections, one is two 10mm pin for connecting load vest, the other is a 16mm pin for connecting the magic handheld stabilizer. The high precision bearing are designed based on human hand simulation, to achieve flexible operation Matte Box Matte Box for 15mm rail rod support system This Matte Box could be adjusted the height (up to 50mm) according to the lens of camera on the rail rod system Top and flank barn door are easily adjustable the angle to meet you; and removable, convenient to carry Made of anodized black Metal and plastic Specification: Load vest Material: Metal, Sponge, Plastic buckle, Velcro One size fit all Single Handle Arm Material: Metal, spring Two-pin Diameter: 10mm One-pin Diameter: 16mm Matte Box Material: Metal, plastic Compatible with 15mm rail rod support system Size: see the picture Package Contents: 1x Load Vest 1x Single Handle Arm 1x Matte Box