This classy looking Hosco Archtop Scratchplate/Pickguard Mounting Bracket has a 48 mm long arm which is threaded at the end for adjusting the ebony mounting block, and the arm sits 25 mm above the mounting screw (screw included).
Hosco Archtop Bridge with Gotoh Tune-o-Matic (Nickel, Rosewood)
Hosco Archtop Bridge with Gotoh Tune-o-Matic (Gold, Ebony)
Hosco Compensated Archtop Guitar Bridge (Gold, Ebony)
Hosco Compensated Archtop Guitar Bridge (Nickel, Ebony)
Hosco Gibson 335 Style Trapeze Archtop Tailpiece (Chrome)
Hosco Pickup Mounting Rings Non-Slanted Flat Top and Bottom (Neck, Black)