Ronstan Series 42 Luff Groove Track Joiner (pair) Tiller Extension Accessories Their gentle 3-dimensional geometry is

Their gentle 3-dimensional geometry is kind on lines

Wichard Single 2 11/64" (55mm) Ratchet Cheek Block (Starboard)

Delrin(tm) ball bearings ensure low-friction operation and high safe working loads

Now called the Tylaska SP6

Halyard Opening: 1/2 in

Ronstan Series 42 Luff Groove Track Joiner (pair) Tiller Extension Accessories Their gentle 3-dimensional geometry isProduct Description Ronstan Series 42 Ball bearing batten car system Luff Grove profile, joiner Features A B C D Weight 0. 4 oz Applications Monohulls to 29m (95ft) or sail area 168 m2 (1808 ft2) Multihulls to 22m (72ft) or sail area 125 m2 (1345 ft2) Materials Stainless steel