Ronstan Series 30 Ball Bearing Orbit Block, Lashing

Murrays Part# 21-35101

Ronstan ball bearing Orbit Blocks™ boast the highest strength-to-weight ratio available, achieved through all-composite reinforced polymer materials and multiple attachment options. Ultra low profile through-sheave becket. Use for jib clew block.

Features: 

• Lightweight
• Highest working load in its class
• Secure, versatile attachment
• Ultra low profile thru-sheave becket
• Low friction 2-stage ball bearing system provides consistent performance over the full working load range
• SP versions feature a Nylatron® sheave suitable for both rope and wire
• Accepts RF1850S shackle in both orientations to create a conventional loop top block

Ronstan Part# RF35101