Product Introduction Our heavy-duty convertible combination ladder seamlessly transforms into 4 practical configurations: freestanding A-frame stepladder, lean-to extension ladder, 90° right-angle wall ladder, and stair ladder. One single ladder covers all indoor renovation, outdoor construction and household maintenance work to maximize your working flexibility and cut equipment costs. Stable Anti-Slip Safety System Fitted with telescopic adjustable stabilizer legs and a heavy-duty V-shaped anti-slip stabilizer bar. This dual stabilizer design delivers rock-solid balance on uneven concrete, gravel, stair treads and rough ground, and locks firmly against walls, pipes and tight corner structures to eliminate wobble and tipping risks for superior on-site safety. Shock-Proof Insulated Fiberglass Frame Constructed with high-grade non-conductive insulating fiberglass material. It boasts exceptional load-bearing rigidity and structural durability, while fully blocking electric current to protect users from accidental electric shocks during wiring, circuit inspection and all electrical repair tasks — a must-have safety tool for professional electricians. Highlighted Bullet Selling Points (For Listing / Ad Cards) 4-in-1 convertible design: Freestanding, lean-to extension, 90° corner & stair ladder, fits all working scenarios Adjustable stabilizer legs + reinforced V anti-slip bar, stable on stairs, uneven ground and rough terrain Fully insulated non-conductive fiberglass frame, certified safe for all electrical maintenance work Compact foldable design for easy transport and space-saving storage in garages & truck trunks Heavy-duty industrial build for long-lasting DIY, contractor and household daily use Optimized Spec Table (Clean, Customer-Focused Layout) Specification Item Parameter Rung Count 4x4 Rungs Maximum Working Height 551 cm Folded Storage Length 140 cm Folded Overall Dimension (L × W × H) 140 × 53 × 20 cm Electric Shock Safe (Non-Conductive Fiberglass) Yes Compatible for Stair Work Yes Built-In Horizontal Safety Stabilizer Bar No
