Dynamic Aluminum 12' Dolly Ronstan Orbit Series 75 Blocks Sheave Diameter - 1 3/8"

Sheave Diameter - 1 3/8" (35mm)

Elasticated waist

Mast Stat Opening: 2 1/4" x 13/16" (57 mm x 21 mm)

Fits standard winches

Gypsy Number - 506

Dynamic Aluminum 12' Dolly Ronstan Orbit Series 75 Blocks Sheave Diameter - 1 3/8"Product Description Dynamic Aluminum 12' Dolly Wheels with Delrin ball bearings for easy rolling on any surface Tie down eyelets on all handle and sling fittings to easily secure boat to dolly in storage, on trailers, and racks; and prevents bow slippage on ramps Completely corrosion proof and maintenance free Strong 3 non stretch polyester sling, ideal for boat storage and retrieval in wavy conditions Round cornered strong structural grade anodized