The Nike OZ line of putters is easy to spot because of its green polymer milled insert. Black clubheads with white sightlines make aligning square to the target very easy.
Model 1 is a blade putter with a full shaft offset crank neck.
Model 2 is a blade design with a full shaft offset and flow neck.
Model 3 is a face balanced small mallet.
Model 4 is a face balanced large mallet with a center shaft.
Model 5 is a face balanced large mallet.
Model 6 is a high MOI face balanced mallet.