Blocks

You can find J.R. Clancy blocks all over the world and for a good reason. Our blocks are engineered using the highest quality materials and designed for seamless installation and years of use.

Loft Blocks - Choose from a variety of Loft Blocks – underhung, upright or side mounted – to suit any need.

Head Blocks – J.R. Clancy Head Blocks can be mounted upright or underhung with the option of cast iron or nylon sheaves. Head Blocks are for use in Counterweight Systems and include grooves for lighting cables and hand line.

Mule Blocks – We offer a line of high-quality Mule Blocks – including swivels and stands – for turning lift lines in 8” (203.2mm) and 12” (304.8mm) diameter options.

Light Duty Blocks - Light Duty Blocks are utilized in light duty applications such as supporting fire lines. These blocks are available with 3/8” (10mm) or 1/8” (3 mm) grooves.

ADDITIONAL INFORMATION

• About Our Blocks
• Recommended Mounting Dimensions