Door & Jamb Kits* Hollow Core Door & Jamb Kit 4-5/8" Hollow Core Door & Jamb Kit 6-5/8" Solid Core Door & Jamb Kit 4-5/8" Solid Core Door & Jamb Kit 6-5/8" Double Door & Jamb Kit 4-5/8" Double Doord & Jamb Kit 6-5/8"