This is a front disconnect lock type for medium load, featuring a 3-member (full travel) model of the AccuRide slide rail.
Among the various cross-sectional shapes of the AccuRide slide rails, this model is a medium load type with a height of 35.3 mm and a thickness of 19.1 mm, featuring three members (full travel). The difference between this model and model 305 is only in the side space; this model has a side space of 16.5 mm, while model 305 has a side space of 9.5 mm. The significance of this side space is that model 305 is much easier to handle when mounting units on various racks. For more details, please refer to the catalog (PDF) for model 305. The total length of the slide rails is standardized from 304.8 mm (12 inches) to 711.2 mm (28 inches). This slide rail features a front disconnect lock type, so when fully extended to the travel limit of the product, it will lock due to the disconnect spring. To release the lock from the locked position or when removing the drawer member, it must be done manually.