21MM THICK
 | 21 X 21mm 21 X 21mm PAR Short Lengths only (max 2400 - 3000mm) |  | 21 x 45mm 21 x 45mm PAR Lengths (2400 & 4800mm) |
 | 21 x 70mm 21 x 70mm PAR Lengths Vary |  | 21 x 95mm 21 x 95mm PAR Lenghts Vary. Longer Lengths Available |
 | 21 x 120mm 21 x 120mm PAR Lengths Vary. Longer Lengths Available. |  | 21 x 145mm 21 x 145mm PAR Lenghts vary but usually 3600+ |
| 21 x 170mm 21 x 170mm PAR Lengths vary but usually 3600+ |  | 21 x 195mm 21 x 195mm PAR Lengths vary but usually 3600+ |
 | 21 x 220mm 21 x 220mm PAR Lengths vary but usually 3600+ |