TF-60 SUITABLE FOR: MIES, CODERCH, TORROJA, GAUDÍ, CANDELA, EIFFEL AND PAXTON. TF-60 FIXATION SYSTEM Eyebolts Rod The TF-60 is a simple, economical and easy-to-install fastening system. It consists of a rod inserted inside the spiral, with attachment eyebolts installed along the length of the rod. This allows the panel to be supported from the top, bottom, and any intermediate area. Fastening is accomplished by connecting the eyebolts to a substructure (not included). In addition, the rods and head of the eyebolts can be powder coated in any color, allowing them to be adapted to any style or design. It includes the rods, eyebolts, washers and nuts, all made of AISI 316L.