Models
| Width | Length | Weight | Model # |
|---|---|---|---|
| 12" | 24” | 16 lbs | SGI-1224 |
| 12" | 30” | 20 lbs | SGI-1230 |
| 12" | 36” | 24 lbs | SGI-1236 |
| 12" | 48” | 32 lbs | SGI-1248 |
| 12" | 60” | 40 lbs | SGI-1260 |
| 12" | 72” | 48 lbs | SGI-1272 |
| 12" | 84” | 56 lbs | SGI-1284 |
| 12" | 96” | 64 lbs | SGI-1296 |
| 12" | 108” | 72 lbs | SGI-12108 |
| 12" | 120” | 80 lbs | SGI-12120 |
| 15" & 18" | 24” | 24 lbs | SGI-1824 |
| 15" & 18" | 30” | 30 lbs | SGI-1830 |
| 15" & 18" | 36” | 36 lbs | SGI-1836 |
| 15" & 18" | 48” | 48 lbs | SGI-1848 |
| 15" & 18" | 60” | 60 lbs | SGI-1860 |
| 15" & 18" | 72” | 72 lbs | SGI-1872 |
| 15" & 18" | 84” | 84 lbs | SGI-1884 |
| 15" & 18" | 96” | 96 lbs | SGI-1896 |
| 15" & 18" | 108” | 108 lbs | SGI-18108 |
| 15" & 18" | 120” | 120 lbs | SGI-18120 |
| 21" & 24" | 24” | 32 lbs | SGI-2424 |
| 21" & 24" | 30” | 40 lbs | SGI-2430 |
| 21" & 24" | 36” | 48 lbs | SGI-2436 |
| 21" & 24" | 48” | 64 lbs | SGI-2448 |
| 21" & 24" | 60” | 80 lbs | SGI-2460 |
| 21" & 24" | 72” | 96 lbs | SGI-2472 |
| 21" & 24" | 84” | 112 lbs | SGI-2484 |
| 21" & 24" | 96” | 128 lbs | SGI-2496 |
| 21" & 24" | 108” | 144 lbs | SGI-24108 |
| 21" & 24" | 120” | 160 lbs | SGI-24120 |
| 30" | 24” | 40 lbs | SGI-3024 |
| 30" | 30” | 50 lbs | SGI-3030 |
| 30" | 36” | 60 lbs | SGI-3036 |
| 30" | 48” | 80 lbs | SGI-3048 |
| 30" | 60” | 100 lbs | SGI-3060 |
| 30" | 72” | 120 lbs | SGI-3072 |
| 30" | 84” | 140 lbs | SGI-3084 |
| 30" | 96” | 160 lbs | SGI-3096 |
| 30" | 108” | 180 lbs | SGI-30108 |
| 30" | 120” | 200 lbs | SGI-30120 |
