Do not cut the zip tie off before installation because this gate is installed through reaction force, which means the gate will get loose if you cut it in the first step. Easy installation, no tools or hardware required,Simply rotate the tension bolt to secure it. Double lock design,press the latch and then slide button back,easy to operate with one hand.Effectively prevents the baby from opening. The safety gates opening angle is up to 180 degrees. You can open it inward or outward. This safety baby gate can effectively restrict the entry and exit of babies or pets, and is equipped with an anti-kick plate to prevent bumping your or your child's feet, ensuring the safety of your family. PLEASE CHECK TO MAKE SURE YOU HAVE THE FOLLOWING PARTS: 29‘’ Gate frame Pressured Adjustment Bolts(4) Anchor(6) Anti-kick Board 2.75‘’ Gate Extension 5.5‘’ Gate Extension 11‘’ Gate Extension Easy to Install