Boltless racking
Rivet Shelving, also known as Rivet rack, wide span rack, double rivet shelving, double rivet boltless shelving, speedibilt.
Rivet shelving is becoming a very popular type of shelving or rack style.

The benefits are manifest. Rivet shelving offers spans of up to 8 feet wide and depths of up to 4 feet deep. Capacities run to over 200kg per level in some cases. Assembly is simple. The shelf components are put in place with the use of a rubber mallet. No nut and bolts or shelf clips required.