The most extensively used circular spacer for precast and on site concrete applications.
| Concrete cover | For bar DIA | PCS/CTN | ||
| 15mm | 5/8" | 4-12mm | #1-#4 | 3000 |
| 20mm | 3/4" | 4-12mm | #1-#4 | 2500 |
| 25mm | 1" | 4-12mm | #1-#4 | 2000 |
| 30mm | 1 1/4" | 4-12mm | #1-#4 | 2000 |
| 35mm | 1 3/8" | 4-12mm | #1-#4 | 1000 |
| 40mm | 1 1/2" | 4-12mm | #1-#4 | 1000 |
| 50mm | 2" | 4-12mm | #1-#4 | 500 |
| 20mm | 3/4" | 6-20mm | #2-#6 | 2000 |
| 25mm | 1" | 6-20mm | #2-#6 | 2000 |
| 30mm | 1 1/4" | 6-20mm | #2-#6 | 1000 |
| 35mm | 1 3/8" | 6-20mm | #2-#6 | 1000 |
| 40mm | 1 1/2" | 6-20mm | #2-#6 | 500 |
| 45mm | 1 3/4" | 6-20mm | #2-#6 | 500 |
| 50mm | 2" | 6-20mm | #2-#6 | 500 |
| 60mm | 2 1/2" | 6-20mm | #2-#6 | 250 |
| 75mm | 3" | 6-20mm | #2-#6 | 250 |