Chinook Tendon . Image 1.

Severne Tendon. Image 2.

Goya Tendon - looks like Severne, so also Image 2.

Duotone iBase Tendon. Image 4. Has a safety line incorporated into the tendon. Complete with Torx screws

Neil Pryde UXT / MXT Tendon. Image 5 (Spare N Pryde 'Sex Bolts'. Sold as a single bolt .Order 2 for a set . Image 8) 

Radz Tendon. Image 6

O'Shea Inflatable Windsurf Rig Tendon. Image 7

Chinook Pro Flex Tendon. Image 9

Duotone and Arrows I-Rig Tendon Image 10