4140 crmo liquid heat-treated with separate nylon/fibreglass sleeve
Size
14mm axle, adapter included for 3/8″
Outer Diameter
38mm
Features
low friction nylon/fibreglass for faster grinding / sold as single / small diameter plastic peg/replacement sleeves available
Weight (4″)
180g (6.34oz)
Weight (4.5″)
193g (6.80oz)
Weight (4.8″)
202g (7.15oz)