An educational game for sailors of all ages

Comfortable neoprene design

Simple and reliable design

Non catch cuffs

Ronstan Series 75 Core Block, Single RF74100 Harken An educational game for sailorsFEATURES Class leading performance and sleek, contemporary styling Excellent dynamic and high static load performance Less than half the friction of the nearest competitor Universal head with full 3 axis articulation Head posts can be locked at 0 or 90 degrees, by using a 2. 5mm Hex Key Alloy Rope Wire sheave version also available Central hub hole can be used as a becket take off or tie up point, Max 13. 5mm line Sheave 75 mm Max. Rope 14 mm Max.