Four-By-Four Pergola Brackets, A Woodworks Hardware Kit For Pergolas, And A Product Details Material?Low-carbon the heavy steel braces are strong and stabilizing. Performance Characteristics?Providing good performance to withstand abrasion, corrosion, and rust. Precautions?Install the nut and nail, please select the appropriate hole for installation to make it more rigid and fixed. Applicable Scene?This 3-way corners are multi-functional extension pergola bracket used in many places, such as the balcony, courtyard, park, restaurant, building pergola?gazebo?playhouse?houses?log cabinand commercial venues for outdoor gatherings or entertainment. Product information?This set Includes (4) pergola bracket shoulders , simply cut the wood to your desired length and assemble,each angle of corner connector is 90 degrees,accommodates 4" x 4" lumber (exact measurement 3.5" x 3.5")there is a slight error in the actual size, usually the error is about 1mm. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.