Sioux Chief 525-PB series StrongArm™ with Plastic Bend Support preassembled bracketing system shall be used when penetrating a wall with 1/2 in PEX. Brackets shall be corrosion-resistant and secured to wood or metal studs with approved hardware. System shall include plastic bend (elbow) device that swivels 360 degree when captured within a LockBlock™ assembly. Plastic Bend Support shall slide across pair of parallel brackets allowing installer to secure 1/2 in PEX tube at any desired location within the stud cavity. Bracket assembly with Plastic Bend Support devices and bulk components shall be IAPMO listed.