1" x 3/4" Eye. For Warwood 3 and 4 lb. hammers; for Wooding Verona 2, 3 and 4 lb. hammers; for True Temper 2, 3 and 4 lb. hammers; for Warren 2, 3 and 4 lb. hammers; for Council hammers Nos.2272-101/2 or 2272-12; and for Stanley 2, 3 and 4 lb. hammers....