Our Company has developed a universal  Alumium Sleeve Block ASB-403. system F, 
which can lift trusses of two sizes: 
290mm, 390mm. (F32, F33, F34, F42, F43, F44)
#2 point trussing.
#3 point trussing.
#4 point trussing.

Our block is more versatile, 
Trusses from the most famous manufacturers can be attached to our block:
Global truss, Prolight, Alustage, Pro X. and many other manufacturers.
Made of reinforced aluminum, 
and has better characteristics for torsion, 
tearing and deformation of the block.

Our patented model. We will deliver as quickly as possible. If you have any questions, write to WhatsApp, 2nd photo.