The 3BSM requires a handful of different types of bearings and fasteners, so this hardware pack offers a convenient way to get your model assembled.
 

Includes:

2 x 5 x 2.5mm bearings (x50)

M2 x 5 flat-head screws (x50)
#2 x 3/16" self-tapping screws (x30)
#2 x 5/16" self-tapping screws (x6) 
#2 flat washers (x6)
#M3 x 6mm cap screws (x4)

3BSM Hardware Pack

$45.00Price