1. KEY: Inside square 6-9 mm / outside square 5-10 mm / double bit 3-5 mm / inside triangle 7-11 mm / reversible bit for 7 mm slotted screws 2. IDEAL FOR: Ventilation technology, air-conditioning technology, control cabinets, windows, doors, garbage cans, gas supply, water supply, locking systems, on construction, building technology, locking systems in electrical engineering and much more. 3. DURABLE: The construction key is very stable and robust thanks to the weight-optimized zinc die-cast construction and the high-quality surface coating quantity of delivery: 1 piece (Package contents: Only the above package contents, excluding other products.) size:86.5*50mm (Reminder: The size is measured manually, please allow 1-2 cm measurement error) color:silver color (Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.) Products from WUZHOU's store