$12.38$14.57per unit
1
Secure Checkout
Shipping Available
Returns Available
Description
Series 30 Block - Single - Loop Top
Features:
- Maintenance free
- Economical
- Lightweight durable construction
- 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 sheave
- Grade 316 stainless steel cheeks
Specifications:
Sheave Ø:29mm(1-1/8")
Max. Rope Ø:8mm(5/16")
M.W.L.:300kg(660lbs)
B. L.:600kg(1,320lbs)
Weight:20g(0.7oz)
Accessories
No accessories listed for this product.
Specifications
| SKU | RF280 |
| UPC | 9316800033638 |
| Brand | Ronstan |
| Category | Sailing |
| Country of Origin | INDONESIA |
| Weight | 0.05 |
| Dimensions | 3 x 2 x 1 |
| Status | Active |
| Last Synced | 10/9/2026, 2:06:48 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 30 Block - Single - Loop Top CURRENT |  Ronstan Series 30 Ball Bearing Orbit Block - Triple - Becket |  Harken 57mm Carbo Air Block w/Swivel |  Barton Marine Ratchet Block - 55mm |  Harken 40mm Carbo Block 90° Fixed Head |
|---|---|---|---|---|---|
| Price | $12.38 | $57.81 | $53.93 | $111.66 | $41.35 |
| Brand | Ronstan | Ronstan | Harken | Barton Marine | Harken |
| Condition | New | New | New | New | New |
| Availability | In Stock | In Stock | In Stock | In Stock | In Stock |
| Weight | 0.05 | 0.19 | 0.3 | 0.3 | 0.11 |
| Dimensions | 3 x 2 x 1 | 4 x 2 x 2 | 6 x 3 x 1 | 6 x 3 x 2 | 5 x 3 x 1 |
| SKU | RF280 | RF35312 | 2600 | 90500 | 2659 |
| Country | INDONESIA | 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 Orbit RT Block w/Quin, Becket, Cleat & Swivel
MPN: RF46530
$581.71
In Stock
Ronstan
Ronstan Series 40 Orbit BB Quin Block w/Becket & Swivel Shackle
MPN: RF48510
$214.72
In Stock
Ronstan
Ronstan Series 40 Orbit BB Double Block w/Becket & Swivel Shackle
MPN: RF48210
$100.10
In Stock
Related Products
Ronstan
Ronstan Series 40 Orbit BB Double Block w/Becket & Swivel Shackle
MPN: RF48210
$100.10
In Stock
Ronstan
Ronstan Series 40 Orbit RT Block w/Quin, Becket, Cleat & Swivel
MPN: RF46530
$581.71
In Stock
Ronstan
Ronstan Series 40 Orbit BB Quin Block w/Becket & Swivel Shackle
MPN: RF48510
$214.72
In Stock
Customers Also Viewed
Forespar Performance Products
Forespar 27"-48" Twist-Lock Steering Control Arm Fits 7/8"-1" Wheels
MPN: 104018
$152.42
In Stock
Ronstan
Ronstan Series 40 Orbit RT Block w/Quin, Becket, Cleat & Swivel
MPN: RF46530
$581.71
In Stock
Ronstan
Ronstan Series 40 Orbit BB Quin Block w/Becket & Swivel Shackle
MPN: RF48510
$214.72
In Stock
Frequently Asked Questions
Price
$12.38