Ping PLD Milled Oslo 4 Putter - Matte Black (Right-Handed)Ping PLD Milled Oslo 4 Putter Matte Black A winner on tour, the new Oslo 4 is modified for strong arc stroke types and delivers extreme forgiveness from its stable feel. A favored mallet shape of tour pros, the highly forgiving Oslo has an Anser 4 style hosel to suit strong arc strokes. Ballasting cascades to a cavity floor with etched lines that assist in aiming, and a long white contrasting alignment feature. These PLD Milled designs represent a