M8 x 20mm boltM8 1. 25 x 20mm (13mm Hex Flange Bolt) 200 box Material: A2 70 300 Series Stainless Steel. Used: Attach Solar L foot to clamp. S5 Lifetime Warranty S 5! offers two main warranties: a Lifetime Product Defect Warranty, covering defects in materials and workmanship, and a System Performance Warranty for the ColorGard Snow Retention system, which is unique in the snow guard market and has a term of 30 years or the life of the roof, whichever comes first.