Ronstan SERIES 55 RATCHET ORBIT BLOCK™

Ronstan SERIES 55 RATCHET ORBIT BLOCK™ - Designed for applications where weight is of paramount importance. The securing loop is easily changed and we suggest that you use either a forged eye or shackle to secure the block as pressed steel fittings can be sharp and will prematurely wear the rope mounting.

Features:

• Automatic and Manual ratchet in one block
• Up to 20:1 holding power
• Easily fitted and securely retained Dyneema Link head
• Smooth easing of sheets
• High performance cleating

Technical:

• Sheave Diameter 55mm
• Maximum Rope Diameter 10mm
• Maximum Working Load 250kg
• Breaking Load 500kg
• Weight 78g

Materials:

• Ball bearings - High compression strength carbon black Acetal
• Stage 2 bearing - Carbon fibre reinforced, PTFE impregnated Nylon
• Frame/Cheeks - Toughened, glass fibre reinforced Nylon
• Rope Link: UV stabilised, multi-strand impregmented SK75 Dyneema

Applications:

• Mainsheet systems on dinghies
• Spinnaker sheets on dinghies
• Control line applications on larger yachts