Allen A4993 25mm High Tension Open Head Block Gifts22-Dinghy-sailors making for an easy screw-on

making for an easy screw-on installation with no holes to drill

Stainless Steel ball bearings and glass fibre reinforced sheave for best bearing strength even under high dynamic loads

CNC plasma cut tapers for ultimate accuracy and consistency

Thank you Rooster

these easy to use gauges will quickly & accurately give you the tension of your rigging

Allen A4993 25mm High Tension Open Head Block Gifts22-Dinghy-sailors making for an easy screw-onThe Allen high tension stainless steel block range is specifically intended for use where wire, dyneema and spectra lines are loaded under high tension. The entire block is engineered using 316 stainless steel and the inner ball race sheave is CNC machined from solid giving unfailing results everytime. Length: 41mm Line diameter: 2 5mm Shackle pin diameter: 5mm Breaking load: 750kg Weight: 31g