High-quality materials: frame clamps are made of high-quality aluminum alloy + ABS + thick nylon with high wear resistance, and the length of nylon strap is about 4m, which can meet your working needs 4 detachable corner clamps: angle clamps can be adjusted to multiple polygon angles are processed. Tighten further with screws. To wrap the object, rotate the handle to increase the clamping pressure, saving time and effort Ergonomic Design: With the plastic handle in non-slip triangle design, you can tighten up to four corners at the same time. Joystick for quick adjustment and release for easier working Easy operation: place the item on the corner of the strap tensioner and tighten the strap by rotating the handle until the item is securely locked between the corners Practical tool: Corner clamp ensures even and constant pressure without damaging the surface of the blank. Excellent corner conformability, can be used for frames, drawers and other irregular items