The 16 mm is Harken’s smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses stainless steel balls in a captive grooved race and has a 250 lb (113 kg) maximum working load. The 404 uses an O-ring to keep the line in the sheave during intermittent loading.
| Material | Stainless Steel |
| Sheave | 16 mm / 5/8 inch |
| Length | 29 mm / 1-1/8 inch |
| Weight | 10 g / .33 oz |
| Maximum Line | 5 mm / 7/32 inch |
| Maximum Working Load | 113 kg / 250 lb |
| Breaking Load | 44 kg / 1200 lb |
ONE DESIGN APPLICATIONS
This fitting is commonly used and/or recommended for the following one design sailboat applications:
- I14 Vang (x4)
- Snipe Traveler Blocks (Deck) (x3)
- Laser Cunningham and/or Outhaul (# varies pending set up style)
