Draper-51729-12-Blade-Metric-&-Imperial-Angled-Tappet-Gauge-Draper-51729-Combination-gauge-for-the-setting-of-valve-tappets-on-motorcycles-mowers-cars-vans-etc-The-dual-marked-blades-are-95mm-long-&-offset-to-give-enhanced-access-to-the-engine-&-are-hardened-&-polished-for-long-accurate-life-Each-blade-is-marked-with-its-size-&-folds-into-a-polished-steel-case-with-thumbscrew-Display-packed-br-Draper-51729-12-Blade-Metric-&-Imperial-Angled-Tappet-Gauge