4 Core are manual lawn corer/aerator, which have or 4 coring tines.
The coring tines remove plugs up to 140mm long and 12.7 (or 1/2") in diameter to increase air and water flow to the roots of the turf and soil reducing compaction in the process.
Aerator - 4 x core tines /12.7mm
The freight is calculated by weight and size. If freight costs exceeds $25 we will contact you to discuss.