This product is usually, but not exclusively used on RV doors.  This part has been changed slightly over time to better work in that application.

LGP6D-200-20QQ – Steel

Replaces:

GN6-200-20-75MM

LGP6-200-20D1D1

LGP6-200-20QQ

LGP6-200-20QQ-15

LGP6D-200-20QQ