$21.69$25.52per unit
1
Secure Checkout
Shipping Available
Returns Available
This item is currently out of stock.
Special order from Ronstan — Estimated 2–4 weeks.
Description
Series 25 Utility Block - Single, Becket, Loop Head
Features:
- Lightweight durable construction
- Economical
- Maintenance free
Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. Hollow rivets in the block heads can be fitted with shackles, which can also be used to add a becket for extra purchase.
Applications:
- Vang, cunningham and trapeze retriever systems on dinghies
- Leech line tackles, bunk adjusters etc on larger yachts
Materials:
- UV stabilized Acetal sheaves
- Grade 316 stainless steel cheeks
Accessories
No accessories listed for this product.
Specifications
| SKU | RF572 |
| UPC | 9316800022496 |
| Brand | Ronstan |
| Category | Sailing |
| Country of Origin | — |
| Weight | 0.5 |
| Dimensions | 3 x 2 x 1 |
| Status | Active |
| Last Synced | 10/5/2026, 2:05:08 AM |
Compliance & Shipping
Returnable
Product Literature
No literature or manuals available for this product.
Customer Reviews
0.0
0 reviews
5
0
4
0
3
0
2
0
1
0
Only customers who purchased this item can write a review.
No reviews yet. Purchased this item? Be the first to review it.
Frequently Bought Together
Compare Key Features
| Feature |  Ronstan Series 25 Utility Block - Single, Becket, Loop Head CURRENT |  Ronstan Series 30 Ball Bearing Orbit Block - Triple - Becket |  Barton Marine Ratchet Block - 55mm |  Harken 16mm Block |  Harken 40mm Carbo Block 90° Fixed Head |
|---|---|---|---|---|---|
| Price | $21.69 | $57.81 | $111.66 | $17.21 | $41.35 |
| Brand | Ronstan | Ronstan | Barton Marine | Harken | Harken |
| Condition | New | New | New | New | New |
| Availability | Out of Stock | In Stock | In Stock | In Stock | In Stock |
| Weight | 0.5 | 0.19 | 0.3 | 0.1 | 0.11 |
| Dimensions | 3 x 2 x 1 | 4 x 2 x 2 | 6 x 3 x 2 | 3 x 2 x 1 | 5 x 3 x 1 |
| SKU | RF572 | RF35312 | 90500 | 404 | 2659 |
| Country | — | INDONESIA | — | UNITED STATES | UNITED STATES |
| View Item | View Item | View Item | View Item | View Item |
You Might Also Need
C. Sherman Johnson
C. Sherman Johnson Closed Body Jaw to Swage Tubular Turnbuckle f/1/8" Wire
MPN: 26-412
$39.53
In Stock
More from Ronstan
View All
Ronstan
Ronstan Series 40 All Purpose Block - Double Block - Full Swivel Head
MPN: RF41200
$55.40
In Stock
Ronstan
Ronstan Battlestick Telescopic Tiller Extension - 42"- 70" (1070mm-1770mm)
MPN: RF3132
$141.59
In Stock
Related Products
Ronstan
Ronstan Series 40 All Purpose Block - Double Block - Full Swivel Head
MPN: RF41200
$55.40
In Stock
Ronstan
Ronstan Series 55 Ball Bearing Orbit Block™ - Single - Becket - Swivel Head
MPN: RF55110
$50.58
In Stock
Ronstan
Ronstan Series 55 Ratchet Orbit Block™ - Single - Swivel Head - Auto & Manual
MPN: RF56100
$93.94
In Stock
Ronstan
Ronstan Series 40 Ratchet Orbit Block™ - Single - Auto - Swivel Shackle Head
MPN: RF46100
$77.33
In Stock
Customers Also Viewed
Schmitt Marine
Schmitt Marine Yacht Arm w/Switch f/Bow Thruster - 316 Cast SS
MPN: 50016
$424.02
In Stock
Hawke Optics
Hawke Optics Endurance ED Marine Binoculars 7x50 - Blue w/Compass
MPN: 36506
$13.25
In Stock
Simrad
Simrad GO9 XSE Chartplotter/Fishfinder w/Active Imaging 3-in-1 Transom Mount Transducer & C-MAP Discover Chart
MPN: 000-14840-002
$866.99
In Stock
Frequently Asked Questions
Price
$21.69