Ronstan Utility Block, Series 15 & 20 - Double, Tube Rivet chevconversion The TSI offers low profile

The TSI offers low profile and standard SAE 5 hole mounting pattern

Length : 90mm Width : 55mm Height : 35mm

Short tiller extensions have smaller grip diameters to match typically smaller hands

Commonly known as Safe-T II

Ronstan Utility Block, Series 15 & 20 - Double, Tube Rivet chevconversion The TSI offers low profileStainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. Hollow rivets accept fixing screws, shackles or can be used to add a becket for extra purchase. Features: Lightweight durable construction Economical Maintenance free Applications: Vang, cunningham and trapeze retriever systems on dinghies Leech line tackles, bunk adjusters etc on larger yachts Materials: U. V. stabilised Acetal sheaves Grade 316