[8mm UNIVERSAL SIZE]This 4 pieces of spindle rods is designed to fit pressure mounted gates with an 8mm hole where the bolts go in. Please make you have the correct hole size for your gate. [INTEGRATED STRUCTURE,MORE DURABLE & ]The screw and supporting surface adopt an integrated metal structure, which will not break or shake. The silicone contact surface increases friction and stability, making the door rail more reliable. [EXTRA LONG & EXTEND THE WIDTH]Each spindle rod measures 8cm long, than many alternatives, potentially helping you span a opening or achieve a sturdier fit. [PERFECT REPLACEMENT] spindle rods are as effective as factory bolts. If you lose or damage the , then replace it. [ELEGANT COLORS]Plastic material with plastic adjustable wheel Black, extra long 8cm spindle rods Colour:silver+gray Material:plastic Package Contents: 4 x Threaded Spindle Rod Only the above package content, other products are not included. Note: Light reflection 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.