Also used on the Capri 22 MkII for the same purpose when the boat is not equipped with spinnaker gear. For boats equipped with spinnaker gear, consider the double stacked cheek block below under "May we also suggest"
3/8"

Used aboard these boats as standard equipment (other applications may be suitable as well):
• Capri 22 (When not equipped with a spinnaker)
• Catalina 22 MkII
• Catalina 22 Sport
• Catalina 250

Approximate Dimensions:
• Width: 1-3/4"
• Length: 3"
• Height off deck (not including fasteners): 3/4"
• Sheave diameter: ~ 1-1/2"
• Fastener size: 1/4"
• Fastener mounting hole spacing, center to center: 1-3/4"

Included fasteners are supplied to keep the parts together during transport. Although they are stainless steel, the required length will vary depending upon your boat and application. After drilling your mounting holes you may need to obtain different length fasteners locally to suit your needs.