• Ronstan Series 40 Orbit Ratchet Block, Single Auto Swivel Shackle
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Brand: Ronstan

Ronstan Series 40 Orbit Ratchet Block, Single Auto Swivel Shackle

Ronstan Series 40 Orbit Ratchet Block, Single Auto Swivel Shackle

$77.33
$77.33
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About this product

The Ronstan Series 40 Orbit Ratchet Block is an automatic, load-sensing single block featuring a swivel shackle head. Its advanced ratchet mechanism automatically engages under load and disengages when released, allowing for smooth, rapid sheet movement ideal for gybing asymmetric spinnakers or managing mainsheet systems.

Key Features:

  • Up to 14:1 holding power with Generation 2 cross-hole sheave geometry.
  • Automatic load-sensing ratchet engagement.
  • Swivel shackle head for unlimited block rotation.
  • Durable stainless steel shackle head.
  • Hard-anodized aluminum sheave with high-compression carbon black Acetal ball bearings.
  • Glass fiber reinforced nylon frame and cheeks.
  • UV-stabilized SK75 Dyneema link for secure attachment.

Technical Specifications:

  • Sheave diameter: 40 mm (1-9/16 in.)
  • Maximum rope diameter: 9 mm (5/16 in.)
  • Maximum working load (M.W.L.): 175 kg (385 lbs.)
  • Breaking load (B.L.): 500 kg (1,100 lbs.)
  • Weight: 44 g (1.5 oz.)

Applications: Suitable for dinghy mainsheet systems, fine-tune systems on sportsboats and small keelboats, and control line applications on larger yachts.

Manuals & videos

  • Secure checkout
  • 21-day return requests
  • Free standard shipping $100+

Product facts

CT SKU
CT-103711
Model / MPN
RF46100
UPC / GTIN
9316800459513
Package dimensions (H × W × L)
1" X 2" X 4"
Package weight
0.11 lb
Country of origin
INDONESIA

Shipping & returns

Request an eligible return within 21 calendar days after delivery. Every physical return requires written approval and an RMA number and must be shipped within five business days after the RMA is issued. The customer pays return shipping for an ordinary return. Tug & Tow provides prepaid return shipping for a verified damaged, defective, short, or incorrect shipment. We do not charge a restocking fee. See Shipping & Returns for eligibility, exclusions, and details.

Fit & compatibility

Review the product title, description, images, dimensions, part numbers, and manufacturer details before purchase. For fit-sensitive items, confirm compatibility with your boat, RV, trailer, vehicle, or equipment.

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