Triangular key perfectly tailored for 19 mm locks, offering reliable operation for barrier posts, bollards and parking security systems. The triangular key can also be used as an M10 post key and works smoothly even when wearing gloves, in the rain or in poor lighting conditions outdoors. High quality material construction using robust galvanised steel for increased hardness and strength ensures superior resistance. This double size /M10 key is engineered for demanding everyday use, significantly extending the of your barrier post key and reducing the need for frequent replacements. Comfortable grip design with carefully polished edges on the head and shaft makes the key pleasant and safe to hold, even during longer use. The smooth reduce pressure points, allowing secure handling in emergency operations. and stable, this triangular post key is ideal for continuous professional use. Color: Silver Material: Metal Package Contents: 1*/M10 key Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.