Case-hardened sintered alloy steel7-Tooth Chainsaw Rim Sprockets (3/8-7, .325-7 & P-7 Spline)3/8-7 · Small Bore (20 mm ID)3/8-7 · Large Bore (23 mm ID).325-7 · Small Bore (20 mm ID)P-7 (3/8 Picco) · Small Bore (20 mm ID)
