Allstar Performance Brake Hard Line 3/16in x 20in Stainless, Pre-Flared | ALL48302 2015-nissan-rogue-esi6810823 What material is this shield

What material is this shield made from

Cover 21-106QFT

this housing is listed as Universal fit

What are Quick Turn fasteners used for

Allstar Performance Brake Hard Line 3/16in x 20in Stainless, Pre-Flared | ALL48302 2015-nissan-rogue-esi6810823 What material is this shieldStainless steel brake hard line in a 3 16in diameter, cut to a 20in length. Pre flared at both ends with 3 8 24 stainless flare nut fittings installed. Made from 304 grade stainless steel that has been double annealed for easier bending and flaring. Pre made lines exceed SAE and DOT requirements. Natural stainless finish. Used for plumbing brake systems in racing and street applications. Compatibility Fits any brake system using 3 16in tubing with 3 8