Sleeve block is aluminum material, used for the spigot truss, good quality

The sleeve block is the parts for the projecct truss.

 used for lifting up the beam section or the roof parts.

It is made by aluminum board, and with 4 sides connectors, each corner with the plastic wheels.

we regard the quality first for the products, favorable price, and best after-sell service.

Welcome to your enquiry...Thank you