Connection joint for Hexagear system. Hexagonal holes in frames allow for various attachment usage. Includes multiple parts such as long and short type, and parts that can alter the connection joint angle. Long and short joints include 2mm line carvings as well as 3mm holes for hard points. Use shaped joint with long time joint. The 5mm axis and hexagonal joints are compatible with model kits with 5mm joints such as Gigantic Arms. Additional hexagonal joint parts can be used to widen the degree from 60 to 90.