1. WIDER APPLICATIONS. Side notch of Round Daisy Wheel is fit for a variety of Barbed & Woven Wire, Rope and Steel Wire etc. Could Hold Dia up to 5.5mm. More wider than usual products in market. You could use your hand or tightener handle to tighten wire. 2. SIMPLE TO USE. Just put the steel wire or rope into side notch, Rotate wire tighteners to suitable position then Insert the pin into the hole to fasten Strainer. Only a few minutes. Even amateur could operate. Smooth surface of wheel edge will not hurt your fingers. 3. COST SAVING. Aluminum alloy Wire Tightener with durable metal construction. Rust resistant. Could be used in outside for a long time. Saving time. Tighten wire directly, No need to cut off wire. Light weight and portable 4. HUMANIZED DESIGN. Smooth hole could allow pin pass easily. Semi-hexagonal design pin could withstand high force. The gap between pin and surface of in line wire tightener is large enough to hold adult finger. Easy to insert and remove pin. 5. WARRANTY 6 MONTHS, If Quality Problems, A full refund or a new replacement can be arranged in warranty. Any problem please contact me. Please kindly advise free for your concerns