Clip On spreaders,aerofoil section with 5 Degree angle back, suit 11 mm Dia masts, cut to your needed length and fit retaining pin for the shroud to the end.

Price: $20.50

Swing rig Lower bearing for use with 139-3021 or 139-3022 Deck blocks.

Use 139 For upper bearing  in the above deck blocks

Price: $35.00

Mast bearing to suit 130-21 or 139-3022 deck blocks

Use 139 for mast bottom.

Price: $21.00

Swing Rig Deck blocks ball bearing rigs, Takes 139 upper Bearing assy and matches Deck openning of 30mm x 22mm

Use with (139 upper)  and (139 Lower)

Price: $18.50

Deck block to take swing rig upper bearing and adjust mast rake, set of Four.

Size   30mm x 21 mm   Use with (139 Upper )and (139 Lower)

Price: $18.50