This neat, low-profile solution allows full articulation of stand-up Ronstan Series 40 Orbit Blocks.This clatter-free rubber boot enables attachment ofthe Dyneema link so that the block is aligned with the stand-up base or across it. Installs with2 x 5mm (3/16") round/cylinder head screws, sold separately.Key FeaturesClatter-free rubberEnables attachment ofthe Dyneema link so that the block is aligned with the stand-up base or across itallows full articulation of stand-up Ronstan Series 40 Orbit BlocksFasteners sold separately