For blades with a 20mm bore. 6061 T6 Aluminum Adapter with two 3mm countersunk screws, 3mm setscrew for the shaft and hex wrench included. Stock bore is 0.126", but can be drilled out larger if you need, up to 6 or 7mm.

Hub weighs 0.35 oz (9.92 grams)

VDD1 Blade

VDD2 Heavier Blade

VDD3 Smaller Blade

VDD4 Lighter Blade

VDD5 Crosscut Blade

SS VDD0 4-9/16 inch blade

SS VDD1 4-3/8 inch blade