Limb bolt, made by Titanium Gold color plated Stainless Steel, complete with back locking stainless steel screw. Fits all GILLO risers, Best Zenit, Moon and Mercury risers. Same as standard on G1L and GQ-L risers Limb bolt, made by Stainless Steel with shiny polished head complete with back locking stainless steel screw. Fits all GILLO risers, Best Zenit, Moon and Mercury risers. Same as standard on G1M and G2 risers Limb bolt, made by Titanium Black color plated Stainless Steel, complete with back locking stainless steel screw. Fits all GILLO risers, Best, Zenit, Moon and Mercury risers. Same as standard on G5 risers