blade width meaning in Chinese

刀片宽度
桨叶宽度
叶宽

Blade width : 1 . 25 " at base
刃阔：护手处1 . 25寸
Blade width : 1 . 375 " at base
刃阔：护手处1寸3
This pic is from 《 china ancient times weapon atlas 》 it is said that : gold iron dao " made in 1189 , the length 87cm , blade width 3 . 7cm , inscription " , just only one pic , sic , but the birth place isn ' t clear
此图来自《中国古代兵器图集》描述如下：金铁刀“ 1189年制，长87厘米，刃宽3 . 7厘米，铭大定二十九年大（）府造” .只此一图，原文如此，出土地不明