Willans Club 6 Single Seater Blue. Silverstone 633 Single Seater. Approved to FIA 8853-2016 The Club single seater FHR from Willans is a clubman 6 point racing harness designed for use in single seater / formula cars where an FHR device is to be used. Also features the Willans Alloy Adjusters on the shoulders and steel on the lap. Willans new lightweight patented aircraft type rotary multi-point quick release box. Six point vehicle attachment points use 5/16” (8mm) diameter bolt fixings. All straps connect individually to the aircraft style rotary buckle except the right hand lap strap is permanently fixed. Shoulder straps are 3″ (75mm) wide.Lap straps are 3″ (50mm)with 3″ (75mm) webbing wide load spreader. Crutchs traps are 2″ (50mm) wide with 1″ (25mm) wide loop one end to be passed through the D rings on the lap straps before passing the shoulder strap down through the loop prior to connecting into the release mechanism.& nbsp; All straps are fully adjustable.& nbsp;& nbsp; 3″ (75mm) shoulder straps use Willans super smooth aluminium alloy adjuster. <span id=”sceditor-end-marker” class=”sceditor-selection sceditor-ignore” style=”line-height: 0; display: none;”> </span><span id=”sceditor-start-marker” class=”sceditor-selection sceditor-ignore” style=”line-height: 0; display: none;”> </span>75mm lap straps and crutch straps use double steel attachment lugs to give pinch plate spanner adjustment for length control of the straps. Crutch straps are designed to prevent the driver sliding through the harness in high ‘g’ decelerations.<br>