<p><b>Name:</b> Passage knobs</p> <p><b>Material: </b>Stainless Steel;</p> <p><b>Color:</b> Black;</p> <p><b>Fit Door Thickness: </b>35 to 45 mm ( 1-3/8 '' to 1-3/4 '')</p> <p><b>Features:</b> Passage door knob without key,  has adjustable latch 2-3/8"(60 mm)or 2-3/4"(70 mm)</p> <p><b>Quality Assurance:</b> Conformed with ANSI Grade 3, High quality, high safety, more than 200,000 cycles. </p> <p><b>Package Include:</b> passage door knobs; Installation Screws; Installation Instructions;</p> <p><b>After-sales service </b> If you have any quality questions during use, please contact us in time.and we promise to solve it wholeheartedly.We will refund the item value or send a replacement.</p>