Design: Yuichi Kuwamura This set is a collection of simply designed 5mm connection joints, perfect for customizing HEXA GEAR and Gigantic Arms models. Expand customization possibilities of joints by combining these parts with other 5mm connection parts. Model Specifications: -Compatible with kits that feature 5mm connection joints as their standard such as those from HEXA GEAR and Gigantic Arms series. -The entire kit can be interchanged and combined freely, as all of the joints and points in the kit are 5mm. *The parts are made of HIPS (High Impact Polystyrene) material in gunmetal. 【スペック】 Plastic Model Size: Approx. 22-23mm Material: HIPS [Set Contents] Double Joint Type x4 Simple Joint Type x12 Ball Joint Type x6