Designed to add one aluminum loop on the socket for higher torque strength and higher socket life by 3 times.
Use different color loops to distinguish the specification.
Clear PVC socket sleeve to protect the rims and removable when the space is limited.

編號Item	規格Size	P.V.C 外徑 sleeve Dia.	外徑 Socket Dia.	顏色 color	全長 Length
765517	17mm	26	24	藍	85
765519	19mm	28	26	黃	85
765521	21mm	30	28	紅	85
765522	22mm	31	29	綠	85