square socket wrench 方套筒扳手 ; 方套筒板子

square-socket set-screw 内方头紧定螺钉

Square socket keys 内四方带塞钥匙

socket wrench square drive 套筒扳手

Hand operated square drive socket 手动套筒扳手套筒

square box socket wrench 方套筒扳手

T-handle square fixed socket wrench 丁字柄四方固定套筒扳手

Power square drive socket wrenches 机动传动四方套筒扳手