Ltpgtltstronggtget into position with the 66fit pilates sitting and head block setltstronggtltpgtr ltpgtthis versatile set of two blocks is the ideal tool to help you to achieve correct positioning and alignment for a variety of workoutsltpgtr ltpgtuse the smaller head block to support the head and correctly align the neck taking the strain whilst you ease your body into the most difficult of positionsltpgtr ltpgtthe larger sitting block is ideal for he