The GReddy dual-bead boost clamp is listed as a stainless clamp sized 26–39mm (#16) for boost or intake connections. Its dual-bead design and stainless construction are explicit in the description, identifying it as a clamp for turbo, intercooler or intake plumbing where secure, high-pressure hose retention is needed. Use the stated size range to match pipe or hose OD.
GReddy DUAL BEAD BOOST CLAMP 26-39MM #16 STAINLESS