Models
| Width | Length | Weight | Model # |
|---|---|---|---|
| 12" | 24” | 16 lbs | SG-PR-1224 |
| 12" | 30” | 22 lbs | SG-PR-1230 |
| 12" | 36” | 28 lbs | SG-PR-1236 |
| 12" | 48” | 34 lbs | SG-PR-1248 |
| 12" | 60” | 40 lbs | SG-PR-1260 |
| 12" | 72” | 46 lbs | SG-PR-1272 |
| 12" | 84” | 52 lbs | SG-PR-1284 |
| 12" | 96” | 58 lbs | SG-PR-1296 |
| 12" | 108” | 74 lbs | SG-PR-12108 |
| 12" | 120” | 80 lbs | SG-PR-12120 |
| 15" & 18" | 24” | 24 lbs | SG-PR-1824 |
| 15" & 18" | 30” | 36 lbs | SG-PR-1830 |
| 15" & 18" | 36” | 48 lbs | SG-PR-1836 |
| 15" & 18" | 48” | 60 lbs | SG-PR-1848 |
| 15" & 18" | 60” | 72 lbs | SG-PR-1860 |
| 15" & 18" | 72” | 84 lbs | SG-PR-1872 |
| 15" & 18" | 84” | 92 lbs | SG-PR-1884 |
| 15" & 18" | 96” | 106 lbs | SG-PR-1896 |
| 15" & 18" | 108” | 118 lbs | SG-PR-18108 |
| 15" & 18" | 120” | 130 lbs | SG-PR-18120 |
| 21" & 24" | 24” | 32 lbs | SG-PR-2424 |
| 21" & 24" | 30” | 50 lbs | SG-PR-2430 |
| 21" & 24" | 36” | 68 lbs | SG-PR-2436 |
| 21" & 24" | 48” | 86 lbs | SG-PR-2448 |
| 21" & 24" | 60” | 104 lbs | SG-PR-2460 |
| 21" & 24" | 72” | 122 lbs | SG-PR-2472 |
| 21" & 24" | 84” | 140 lbs | SG-PR-2484 |
| 21" & 24" | 96” | 158 lbs | SG-PR-2496 |
| 21" & 24" | 108” | 176 lbs | SG-PR-24108 |
| 21" & 24" | 120” | 194 lbs | SG-PR-24120 |
| 30" | 24” | 40 lbs | SG-PR-3024 |
| 30" | 30” | 64 lbs | SG-PR-3030 |
| 30" | 36” | 88 lbs | SG-PR-3036 |
| 30" | 48” | 112 lbs | SG-PR-3048 |
| 30" | 60” | 136 lbs | SG-PR-3060 |
| 30" | 72” | 150 lbs | SG-PR-3072 |
| 30" | 84” | 174 lbs | SG-PR-3084 |
| 30" | 96” | 198 lbs | SG-PR-3096 |
| 30" | 108” | 222 lbs | SG-PR-30108 |
| 30" | 120” | 246 lbs | SG-PR-30120 |
