Prime-Line Z 10532 Molly Bolt 1-1/4 In., Standard (50 Pack) Product Details These Molly Bolt Fasteners by Prime-Line Products are constructed of steel components, and they are used as specialized screws to fasten objects to plaster and gypsum board where there are hollow walls. These fasteners are anchors with expandable sleeves that slide into pre-drilled holes of hollow walls. A lip wider than the hole prevents the bolts from falling into the hole and behind the hollow walls. Upon fastening, a machine screw is then screwed into the sleeve, causing the anchor to bend, expand, spread and grip against the inside of the drywall. These fasteners fit into a 1/4in. diameter holes, and they will fit up to 9/16in. thick panels. Will self pierce into the desired surface. Components of these fasteners are constructed of steel, to include steel outer shaft and steel fastener All components come in a corrosion resistant, zinc plated finish Designed for use with hallow walls and light duty applications, to include sheetrock/drywall, plaster and more Features a dependable, collapsible folding action that opens the anchor once inserted beyond the wall's surface Easy to install with only a few simple tools Please refer to the line art drawing for dimensions and compare with your needs before ordering 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.