Introducing our high-grade ladder jacks, a must-have for anyone working at height on stairs, roofs, or uneven ground. Engineered with strength and reliability, these ladder jacks feature non-slip gripping surfaces that lock automatically in place, ensuring your safety. The reinforced back cross brace structure supports up to 500 lbs. (227 kg), providing a sturdy and stable base.Our special scientific triangle design not only enhances stability but also offers ample storage space for your tools. This design doubles as a stable platform that hooks onto ladder rungs, making it easy to set up for your next project without any clamps or bolts required. Constructed from impact and chemical-resistant plastic, our ladder levelers are durable, reusable, and easy to use or remove within seconds.Whether you're a DIY enthusiast or a professional contractor, our ladder leveling tool is versatile and suitable for both domestic and professional use. The ribbed rubber grips on all corners provide excellent slip resistance, giving you a comforting experience while working at height. Plus, with the heavy-duty extension ladder option, you can easily adapt to different heights and tasks.