Allen 20mm Single Block with Swivel Head

This swivel head block allows your pulley block to rotate when under load, handy for control line take up systems and other applications.

Allen 20mm dynamic blocks feature the patented Allen Dynamic bearing system which provides an unrivalled weight to performance ratio.

This is coupled with high strength and a rope friendly stainless steel ultra-strap. This puts the Allen 20mm block amongst the strongest and most reliable ballbearing blocks on the market. The range of 20mm blocks also feature a central rivet that can be used as a tie on becket.

Specifications

• Breaking Load - 350kgs
• Length - 53mm
• Max Rope Diameter - 6mm
• Shackle Pin Diameter - 4mm
• Max Working Load - 115kgs
• Weight - 15.4grams