Includes:
-Drum made out of UHMW (Ultra High Molecular Weight Polyethylene)
-Grade 5 Titanium Teeth
-5/8" high RPM sealed bearing with 1/4" shaft diameter
-Hardware to assemble together
Weight: 95g
Weight with 2 carbon fiber arms, 1/4" shaft bolt, 1/4" thin nut & spacer: 120g
 
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Dimensions: 
-Drum diameter with teeth installed= 1.775"
-Drum Length= 3"
-Drum assembled length with the motor, carbon fiber arms, dead shaft bolt & low profile nut= 3-5/8"
 
Robot "Hellraiser" shown in picture not included