The batwing cleaver is an unusual multi spiked machete like weapon. They are famously depicted in large numbers in the Morgan Bible (1250s), sometimes with curved "umberella" handles. These are the type I based this version on. The grips are scale tangs fitted with wooden plates.
 
The blade is EN42j spring steel, hardened and tempered for reenactment use.
The edges are minimum 2mm thick
All points are rounded to a 20mm diameter
Over all length: 71cm
Blade Length: 52cm
Weight: 800g