Stainless into aluminum riser?

Stainless Steel Perforated Inside Riser at Rs 350/piece in New Delhi

Billet Proof® Coped Riser Bungs - 1/2-13 Internal Thread - Coped for 1 to 1-1/4 OD Tubing - Sold In Pairs - Mild Steel, Aluminum or Stainless Steel - Made In The USA (RSR_BNG_1/2_13)

Low Profile Riser Bolt and Bushing Kit – Stainless Steel – Deathtrap Industries

HUBERT Pedestal Display Riser Stainless Steel - 6Dia x 4H : Industrial & Scientific

Aluminum Alloy 25.4Mm×25.4Mm Folding Stem with Teeth Adjustable Folding Riser St

Kinetic Sovren 27 recurve riser - tiller bolt settings in user manual look wrong

PYLEX Aluminum Stair Riser - 3 Steps - 7.5 x 10.25 - White 16003

AISI 304 stainless steel pastry board with riser - 300x500 mm Food

Heavy Duty Tray Variable Riser (Built-in couplers) - Channel and Tray - Metal Products Manufacturer in the UK