Rope and webbing -Fil Ropetension Highlights generic brand Fil Ropetension Description: Made of stainless steel for better protection against rust. Hook Eyelet Screw Adjuster. Twist the body to increase or decrease tension. Used in many applications - marine - wire rigging - catenary - outdoor - rope pretensioners, and so on. These are also known as Turnbuckles, Turn Buckles, Eyelet Screws, Barrel Strainers, or Screw Open Body Rigging. Specification: Material: Stainless Steel Color: Silver Size: approx. S: Length: 97mm/3.82inch; Inner Diameter: 8.3mm/0.33inch; Outer Diameter: 14.8mm/0.58inch; Hook width: 7mm / 0.28inch; Pull Distance: 138mm/5.43inch M: Length: 121mm/4.76inch; Inner Diameter: 8.3mm/0.33inch; Outer Diameter: 16.7mM/0.66inch; Hook Width: 8mm/0.31inch; Pull Distance: 173mm/6.81inch L: Length: 145mm/5.7inch; Inner Diameter: 10.7mm/0.42inch; Outer Diameter: 20.8mm/0.82inch; Hook Width: 10mm/0.39inch; Pull Distance: 215mm/8.46inch XL: Length: 192mm/7.56inch; Inner Diameter: 12.8mm/0.5inch; Outer Diameter: 26.3mm/1.04inch; Hook width: 10.8mm / 0.43inch; Pull Distance: 280mm/11.02inch XXL: Length: 235mm/9.25inch; Inner Diameter: 14.8mm/0.58inch; Outer Diameter: 32mm/1.23inch; Hook width: 12.4mm / 0.49inch; Pull Distance: 350mm / 13.78inch Package Include: 5 Pieces Eye Turnbuckle Note: Due to the difference of the measurement, pls allow 1-3mm error. Pls check the spring performance before use.