Hold down brackets are made of reliable metal materials, strong, durable and lightweight, easy to install and less likely to deform or break; They are suitable for most blinds or windows and can serve you for a long time. Package of 4pcs Hold down bracket and 4pcs brackets pins (Diam:5/32" / 4mm ) with 8pcs screws. the size of each metal hold down bracket is about 1-5/8"(41mm) , which is suitable for most blinds Please kindly check the size in the picture and make sure it can match your device.