SPS90 Heavy Duty Sash Pulley Bumper SKU: Glace Heavy Duty Sash Pulley Bumper Pinit Quantity discounts available QuantityPrice Quantity -+ Add to Basket DescriptionDescriptionSash pulley bumper for use with the SPS90 Sash Pulley.The bumper fits to the pulley wheel and stops the sash from hitting the frame when opened.