Type Dimension(mm) Note D H α β γ θ Ψ e PMM23-92001 11.0 21.0 56° 30° 48° 120° 130° 2.0 G92081 PMM2312 12.0 22.0 G87037 PMM2312A 25.0 58° 45° 47° G85260 PMM2312B 12.5 56° 48° G81607 PMM23-92002 14.0 20.0 G92241 PMM2314 22.0 G87040 PMM2314A 25.0 G8160