This is a mono-eye part that can be used without modification. Parts only, the Zaku body is not included. Compatible with the following kits: HG THE ORIGIN HG 1/144 Zaku II TYPE C-6/R6 HG 1/144 Char's Zaku II / Red Comet Ver. HG 1/144 Act Zaku (Kycilia's Unit) HG 1/144 Zaku Half Cannon HG 1/144 Zaku I (Kycilia's Unit) HG 1/144 Zaku II C Type/C -5 Type HG 1/144 High Mobility Zaku II Ortega's Custom HG 1/144 High Mobility Zaku II Gaia/Mash Custom HG 1/144 High Mobility Zaku for Ground Use (Sunho's Machine) HG 1/144 High Mobility Zaku for Ground Use (Danan's Machine) HG 1/144 High Mobility Zaku for Ground Use (Eguba's Machine) HGUC HG 1/144 Char's Zaku II HG 1/144 Mass Production Type Zaku II HG 1/144 Black Tri-Stars Zaku II (MSV) HG 1/144 Shin Matsunaga's Zaku II (MSV) Decals can be included. Other companies' products Gundam Gunpla Plastic Model