This tool helps you remove ball marks on greens quickly and easily. Works on Poa Annua and Goose Grass too. The Ball Mark Plugger removes plugs 1-1/2 in. (3.8cm) by 2-1/2 (6.3cm) deep and comes with 3-1/8 in. (7.9cm) rubber washers for shallow plug extraction. The hollow handle holds up to 12 plugs.