Zarges Tubesca Aluminium Systems Pvt. Ltd. Manufactures Baskets with Slot-shaped Holes. Zarges Tubesca Aluminium Systems Pvt. Ltd. Has been awarded ISO 9001:2000 certification. Baskets with Slot-shaped Holes are available in straight-sided and tapered design. Baskets with Slot-shaped Holes have been supplied with plastic skid bars. Straight-sided baskets can be stacked one on top of the other, tapered baskets one inside the other. It is available in different sizes. This basket can be available in the model no. Of K 250.