Harken 29 mm Carbo Triple w/ Cam‑Cleat & Becket 347

Harken 29 mm Carbo Triple Swivel Block with Cam Cleat & Becket (347) – Ultra‑Lightweight Power Pulley

Unleash maximum control with the Harken 29 mm Carbo Triple Block (Model 347)—featuring three 29 mm Delrin® sheaves, a 471 micro‑Carbo cam cleat, a becket, and dual 360° swivel heads in a compact, lightweight design. Ideal for 4:1 to 6:1 tackle systems on vangs, outhauls, cunninghams, spinnaker sheets, and traveler controls in dinghies, skiffs, and small racing yachts.

• Compact triple‑sheave setup with integrated becket and cam cleat—perfect for multi‑purchase systems that demand clean line handling

• Full 360° stainless swivel heads maintain line alignment and prevent twist

• Carbon® side cheeks offer incredible strength-to-weight ratio—30 % lighter and 60 % stronger than classic versions 

• 29 mm Delrin® sheaves on ball bearings, supporting up to 6 mm lines

• Working load: 408 kg / 900 lb; Breaking load: 816 kg / 1800 lb 

• Weight: 133 g (4.7 oz); Overall length: 85 mm (3 3/8″) 

High‑load, low‑friction performance in a micro‑package—perfect for precision sailors who won’t compromise.