Hope Below details are helping.
Hutchinson Catalogues:
Hutchinson Rock Monster Installation Manual:
https://www.hutchinsoninc.com/wp-content/uploads/MP0189_RockMonsterManual_REV-H.pdf
Specification sheets for Rock Monsters for Jeep:
WA-0594 (!HUb Centric for JK/JL!)
https://www.hutchinsoninc.com/wp-content/uploads/2020/04/spec_0594.pdf
Rim Size: 17 X 8.5
Rim Contour: TRA J (ISO)
Offset: -0.26 in [-6.6 mm]
Mounting Pattern: 5 Holes on Ø5 in [127.0 mm] B.C.D.
Hub Bore: Ø2.816 in [71.5 mm]
Load Rating: 2300 lb @ 60 psi [1043.3 kg @ 4.14 bar]
Weight: 35.6 lb [16.1 kg]
WA-0398
https://www.hutchinsoninc.com/wp-content/uploads/2020/04/spec_0398.pdf
Rim Size: 15 X 8
Rim Contour: TRA J (ISO)
Offset: -0.925 in [-23.5 mm]
Mounting Pattern: 5 Holes on Ø4.5 in [114.3 mm] B.C.D.
Hub Bore: Ø2.895 in [73.5 mm]
Load Rating: 2300 lb @ 65 psi [1043.3 kg @ 4.48 bar]
Weight: 26 lb [11.8 kg]
WA-0566
https://www.hutchinsoninc.com/wp-content/uploads/2020/04/spec_0566.pdf
Rim Size: 17 X 8.5
Rim Contour: TRA J (ISO)
Offset: -0.26 in [-6.6 mm]
Mounting Pattern: 5 Holes on Ø5.5 in [139.7 mm] B.C.D.
Hub Bore: Ø4.22 in [107.2 mm]
Load Rating: 2300 lb @ 60 psi [1043.3 kg @ 4.14 bar]
Weight: 34.3 lb [15.6 kg]
Tires recommended for Hutchison Beadlocks:
Rock Monster Parts Numbers:
https://www.hutchinsoninc.com/wp-content/uploads/2020/11/RM_PartNumbers_2020_2.pdf