Adjustable table clamp pulley rvfm ph10328 a nylon pulley mounted on a sturdy clamp suitable for attaching to tables and benches up to 4 5cm thick the pulley is 4 5cm in diameter and can be adjusted from flush with the tabletop to 13cm above it in addition the pulley can be rotated through 360 deg to suit any experimental setup rvfm pulley adjustable table clamp