?????????-????????????????????, ????????????????????????-???????????????? ????????????????????????????????????????????????? Clamp-on design installs easily on stair banisters without drilling or damaging your railing. Ensures baby and pet safety while maintaining your home’s original structure. ????????????????????????????? ???????????????????????? – ???????????????????????????????? ???????????????????? ????????????????????????????????????? The latest version resolves the previous issue where screws became difficult to remove after tightening. The refined thread structure allows smoother fastening and easier disassembly. ????????????????????????????????? ???????????????????????????????????? & ????????????????????????????????????????????? Updated “H” and “J” components are now integrated into one piece, simplifying installation and increasing structural strength for a firmer hold. ????????????????? ????????????????????????????????????????????????????? Fits 2–3.5? (50–90mm) round or square posts. Compatible with most baby gates, retractable gates, and pet safety gates. For round posts, you can choose whether to add the “D-?” component based on your banister size. ?????????????????????????????, ????????????-???????????????? & ???????????????????????????????? ????????????? Constructed from sturdy ABS plastic with EVA anti-slip pads for long-lasting durability and grip. Each set is designed for single-side installation by default. Purchase a second set for securing both sides of the staircase as needed.