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![Ronstan Series 50 All Purpose Block - Single Stand Up [RF51140] Marine Navigation & Instruments | Instruments through the i70 or ST70](https://cdn.shopify.com/s/files/1/0499/1942/6726/products/70680XL.jpg?v=1605267344)
through the i70 or ST70 Plus instruments
Box Dimensions: 4"H x 6"W x 10"L WT: 0
Built-in GPS with connector for optional external antenna
the entire Hudson River
Each transducer comes with an isolation kit that creates separation between the stainless-steel transducer body and any dissimilar metal hulls
Ronstan Series 50 All Purpose Block - Single Stand Up [RF51140] Marine Navigation & Instruments | Instruments through the i70 or ST70Series 50 All Purpose Block Single Stand Up Features: Exceptionally high working loads Low maintenance, long service life Self lubricating Acetal polymer sheave ensures low friction and extreme durability Captive Lock universal head Slotted pin shackle eliminates fouled lines Mount with 2 x 5mm (3 6") fasteners (not supplied) All purpose (AP) blocks are a great all around solution. Self lubricating Acetal polymer sheaves running on polished stainless
