Harken 45mm Single Element Block w/Swivel Becket [6231] Marine Hardware | Anchor Rollers The SVS-560CF proves that you

The SVS-560CF proves that you don't need a big boat - or a big bankroll- to benefit from SI-TEX's rugged construction and professional-grade performance

but it has a special sleeve for mast mounting

The possibilities are endless

Number of Pins: 2

Replace your ribbed wobble rollers with this thermal-plasticized rubber ribbed roller kit

Harken 45mm Single Element Block w/Swivel Becket [6231] Marine Hardware | Anchor Rollers The SVS-560CF proves that you45mm Single Element Block with Swivel & Becket Element blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Elements design pairs the minimum amount of metal required to protect the sheave with a proven journal bearing. So size for size, Element is priced significantly lower, than our previously least expensive blocks. Sideplates are hardcoat anodized to resist