A.R. (Auto Reset) Universal Joint-1/2″
Overview
- Auto Reset
- Patented convex tooth
- Allowable Torque
- Prevent rolling
- Easy identified drive sizes
- Surface:Chrome plated/Satin Finish

| Item no |
Surface Finish |
Driver |
Allowable Torque |
Width (mm) |
Height (mm) |
Weight (g) |
| 21271 |
Chrome Plated |
1/4” |
42 N∙m |
14 |
38 |
24 |
| 21371 |
Chrome Plated |
3/8” |
127 N∙m |
19 |
51 |
59 |
| 21471 |
Chrome Plated |
1/2” |
296 N∙m |
25 |
68 |
133 |
| 21272 |
Matted Finish |
1/4” |
42 N∙m |
14 |
38 |
24 |
| 21372 |
Matted Finish |
3/8” |
127 N∙m |
19 |
51 |
59 |
| 21472 |
Matted Finish |
1/2” |
296 N∙m |
25 |
68 |
133 |
Video
