JIS standard 7mm M4 Double-headed wrenches on open-ended and ring-ended
■The size of width across flats■Embossing the sized of width across flats.・open-ended side:7mm (ISO / JIS standard M4 bolts and nuts.)
■The design of headed shape・open-ended side:Modern design・ring-ended side:Designed of 12 points
■The width size of headed outer・open-ended side:14mm・ring-ended side:10mm
■The depth size of mouth open-ended・open-ended side:7.8mm
■The thickness size of headed・open-ended side:3mm・ring-ended side:6.5mm
■The thickness size of arm:2mm MAX
■The length size of full body:94.2mm