29mm hex, T handle installation tool used in many simulator and hub cover kits. Used in: GD816, GDF16, GDF17, GDG01, GDG92, GDST175, ND1912, NDT165, NF10, NF12, NF14, NF19, NF22, NF23, NF25, NF98, NFQ17, NFS156, NG17, NG18, NG961, NSF921, NSG03, NST06.