Antal OPF Swivel Block

The Antal OPF Swivel Block Shackle is a "One Piece Frame" block without pins or screws that is a light and strong. The OPF series sheaves are riveted and not removable.

Features:

• It is light and strong
• The one-piece aluminum extruded body is strong and light
• No assembling pin rivets or screws and nuts
• Material is CNC machined, polished, hard black anodized and Teflon coated
• A complete range from 60 to 140 mm sheaves in single, double, triple, fiddle, and deck versions, for webbing or shackle connection
• The HR Swivel Head
  • Made in high resistance stainless steel
  • (3) Positions
  • Swiveling head
  • Longitudinal lock
  • Transversal lock
  • HR shackles included
• The Resin Sheave runs on the main Composite Fiber bearing and on a ground stainless steel hub with friction high loads
  • No lubricant required
  • The self-captive side ball bearing reduces the friction and makes disassembling, cleaning and maintenance very easy
  • Sheaves are supplied with the stainless steel hub, they are available separately

50 mm (2") Specifications:

• Sheave: 50 mm (approx. 2")
• Line Size: 10 mm (3/8")
• Safe Working Load: 600 kg

60 mm (2 3/8") Specifications:

• Sheave: 60 mm (approx. 2 3/8")
• Line Size: 12 mm (7/16")
• Safe Working Load: 800 kg