This tool helps you remove ball marks on greens quickly & easily. Works on Poa Annua & Goose Grass too. The Ball Mark Plugger removes plugs 1.5 in. (3.8cm) by 2.5 in. (6.3cm) deep & comes with 3.125 in. (7.9cm) rubber washers for shallow plug extraction. The hollow handle holds up to 12 plugs.