BS ISO 238:2016规定了以下两件设备的尺寸:莫氏锥柄工具的减速套筒；莫氏锥柄工具用加长套筒。它包括两个表格，分别给出了以毫米为单位的尺寸和相应的尺寸 尺寸单位分别为英寸。交叉引用:ISO 296ISO 13399购买本文件时可获得的所有现行修订均包含在购买本文件中。

BS ISO 238:2016 specifies the dimensions of the following two pieces of equipment:reduction sleeves for tools with Morse taper shanks;extension sockets for tools with Morse taper shanks.It comprises, for each of them, two tables giving the dimensions in millimetres and the corresponding dimensions in inches, respectively.Cross References:ISO 296ISO 13399All current amendments available at time of purchase are included with the purchase of this document.