400 EA Manufacturing Components and Supplies - Inner Springs - Mattress Unit: 312 BR-6, 34-1/2" x 73". Row Count: 8 x 24. Coils: 13-1/2 gauge and all of the same top and bottom convolution. Sizes based on the standard 312 coil. Coils and border rod shall be attached by a minimum 17-1/2 gauge helical wire. Border rod to be a minimum of 6 gauge. Mattress unit to be totally oven tempered after assembly; 1,000 EA Manufacturing Components and Supplies - Innersprings - Mattress Unit: 312 BR-6, 34-1/2" x 78". Row Count: 8 x 26. Coils: 13-1/2 gauge and all of the same top and bottom convolution. Sizes based on the standard 312 coil. Coils and border rod shall be attached by a minimum 17-1/2 gauge helical wire. Border rod to be a minimum of 6 gauge. Mattress unit to be totally oven tempered after assembly...