Ronstan Series 29 All Purpose Single Block w/ Swivel Ring Head Lewmar Size 1 NTR Track System Mainsheet Cars Cut-Out Width (Flat/Flange) Y1 (in)

Cut-Out Width (Flat/Flange) Y1 (in) - 19 3/4

R (in) - 7 5/16

Rope Description - 3/4" (18-20mm)

Ronstan Screw Mount Plastic Bush w/ Stainless Steel Liner & 7/16" Opening

We found these exit boxes on big boat carbon spinnaker poles

Ronstan Series 29 All Purpose Single Block w/ Swivel Ring Head Lewmar Size 1 NTR Track System Mainsheet Cars Cut-Out Width (Flat/Flange) Y1 (in)Product Description Ronstan Series 29 All Purpose Single Block w Swivel Ring Head Features Lightweight durable construction Economical Maintenance free Sheave 1 1 8 in. Max. Rope 3 8 in. Max. Cable in Pin in. M. W. L. 550 lb. B. L. 1100 lb. Weight 1. 6 oz. Product Information Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. Hollow rivets in the block heads can be fitted with shackles, which can also