套筒规格有哪些？
What are the sleeve specifications?
(1)按尺寸(指方头的尺寸):1/4 "、3/8 "、1/2 "三种规格，"是英寸的意思，1 "等于25.4毫米;
(1) According to the size (referring to the size of square head): 1/4 ", 3/8" and 1/2 "," means inch, and 1 "is equal to 25.4mm;
(2)按长度分:长袖、短袖、E袖。
(2) By length: long sleeve, short sleeve, E sleeve.
(3)按侧面:6角、12角、4角;
(3) By side: 6 corners, 12 corners, 4 corners;
(4)外观:单槽、双槽;滚花;直顺;镀镍、镀铬;
(4) Appearance: single groove, double groove; Knurling; Straight and smooth; Nickel and chromium plating;
(5)用途:手动套筒扳手、气动套筒扳手(黑色、铬钼钢);
(5) Purpose: manual socket wrench, pneumatic socket wrench (black, chrome molybdenum steel);
(6)按拆卸螺钉:外六角套、外梅花套;内六角套筒，内六角花套筒，内十二花套筒;E型套筒、五边形压力套筒、五边形中空压力套筒、四边形压力套筒等。
(6) Remove the screws as follows: outer hexagon socket, outer Torx socket; Hexagon socket, hexagonal socket, twelve pattern socket; E type sleeve, pentagon pressure sleeve, pentagon hollow pressure sleeve, quadrilateral pressure sleeve, etc.
