This product is suitable for all outdoor roller blinds and sunshades, which is convenient to fix the roller blinds and also easy to install. Product name: Replacement of indoor/outdoor mounting brackets for sunshade roller blinds accessories Product color selection: beige/black Brand: U/D Product information: This is a windproof ball for the installation of outdoor/indoor roller blinds for crank operation. It is suitable for almost all curtains operated by millimeter cranks. Products include: a pair of wind-proof balls, high-density stainless steel screws and plastic anchors. Easy to install: easy to replace and install. Product features: easy to install, easy to clean, can perfectly repair damaged external sunshades and indoor roller blinds [Note] We are committed to providing you with the best curtain installation accessories. If you encounter any problems during use, we will reply to you within 24 hours and help you solve the problem.