PVC spring p. 40 and 57mm pulleys

PVC Harken spring to hold your pulleys in place. Flexible in use and practical because it prevents the jamming of your ropes.

Made of long-lasting flexible PVC, the support pads keep the blocks vertical without snagging the ropes. Model 369 is suitable for Carbo and Black Magic® pulleys 40 mm and 57 mm blocks.