All Mallets include All-Access 4-sided entry, 2 cleats (with 6 degree float, 2 release angle options), cleat screws and shims, 9/16" thread. Mallet 3: alloy/polycarbonate body, inner needle/outer cartridge bearing, CrMo spindle, cast steel wings, 12 adjustable traction studs. Mallet 2: alloy/polycarbonate body, inner bushing/outer cartridge bearing, CrMo spindle, stamped steel wings, 12 adjustable traction studs. Mallet 1: polycarbonate body, inner bushing/outer cartridge bearing, CrMo spindle, stamped steel wings.