Ronstan Series 50 Single Universal Head Block, Becket Max-Prop Companions to the popular Harken

Companions to the popular Harken Black Magic block line

scrapes and gouges

Size 0 finished with canvas heading and brass grommets

This feature allows easy opening and closing with no load on the swinging hook when closed

Fit lifejacket to body size

Ronstan Series 50 Single Universal Head Block, Becket Max-Prop Companions to the popular HarkenAll 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. Becket pin is removeable so line can be spliced prior to fitting and is ingeniously locked into