Are you still worrying that your telescopic ladder can't stabilize after being extended? Are you still worried about the unsightly of the ladder? Using our ladder , these problems will be Made of plastic, wear-resistant and strong, with slot-style design, which can be in a telescopic ladder, beautiful and practical. Features - Color: Black - Material: Plastic - Size: 3.40X3.00X1.50cm/1.34X1.18X0.59in - It's not easy to damage and it's safe to lock, effectively increasing the safety of ladder. - Easy to install and convenient to use, it is a direct replacement for the worn or broken one. - Compact structure and workmanship, it is a practical accessory for ladder. - Wide application, suitable for single sided straight ladder, step ladder, multi-function ladder. - material with impact resistance, heat resistance and low temperature resistance. Package list: 10 x buttons