1.Warm Reminder Make the Spindle Hole of your Pressure can fit the M10(10mm) Bolts Size,This item only fit for M10 Spindle Hole, NOT FOR 8mm screws.2.Pack of 4. Size: 10 mm x 80 mm/ 0.4inchx 3.15inch. Metal material, durable and reusable. Easy to install, no need to use tools and no hole for wall.3.Adjustable lenth bolts. Baby door pressure mounting screw bolts for top and bottom, Fit for most place, such wall, stairs,wooden etc.4.Rubber ends to protect your staircase from being scratched, Makes it possible to mount a gate on stairs up against a baluster, round pole.5.Fit for most of pressure Gates ( 10mm) , including baby gates, pet gates, Walk through Extra Wide, Tall Safety Children Proof Gates With Door.4pcs Pressure Screw Threaded Spindle Rods Walk Thru Gates Accessory - M10 x 10MMProduct Name: 4pcs Pressure Mounted Baby Gates ThreadedProduct material: metal/absProduct color:orangeProduct size: M10 thread; 80mm x 35mmProduct weight:292gPackage Contents:4 X Screw Mounted boltsOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.