CSP-111 Mast Heel Fitting for 11 mm Round & 11.1 mm Groovy Mast

CSP-111 Mast Heel Fitting for 11 mm Round Mast or 11.1 mm Groovy Mast - Fits into CSD Mast Step Deck fitting - The CSD can be cut down to fit into mast box or you can fabricate your own to take this heel fitting - Prevents the mast twisting.
 

Please indicate in message box if these are for round or groovy mast.

Weighs 1.5 grams