Ronstan Utility Block, Series 50 & 60 - Single Block, Cheek seat The structural anchor base is

The structural anchor base is to be permanently fastened to the structure using 4 x M6 fasteners

Part Number: 8M0061335

Designed to replace the 22120-0001 model

Available in 4 Sizes

Ronstan Utility Block, Series 50 & 60 - Single Block, Cheek seat The structural anchor base isAll purpose (AP) blocks are a great all around solution. Self lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads. For durability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing. Can be mounted on masts and booms using the curved surface adapter. Can be stacked to create a double