Shock - 3/8" Line - 3/8" Webbing - BlueThe Sheaveless BlackThe obvious choice for those kitesurfers, paragliders, control line deflections and purchase systems that require a lightweight high load capacity block.Ultimate durabilityWith no moving parts SHOCKS provide ultimate durability and are maintenance free. They are ideal where sand and grit would compromise a bearing system or where regular flushing out isn?t possible. Their gentle 3-dimensional geometry is kind on lines, but is strong enou