21mm socket on both sizes, can be used front and back and forward and reverse
- 21mm socket on both sizes, can be used front and back and forward and reverse.
- Not only the body, also the claw is forged. Excellent strength.
- Filled with hole on the head part during processing, it maintains smooth ratchet drive.
- The φ4.5mm hole for safety code.
- The surface has a rust-resistant cation finish.
Material:Cr-V
Item No. |
JAN Code |
List Price
(¥) |
Use Range
(mm) |
Length
L
(mm) |
Weight
(g) |
Inner Box |
RM-21×21H |
381798 |
9,700 |
21 |
358 |
800 |
2 |
Item No. |
Head Outside Diameter
(mm) |
Socket Outside Diameter
d
(mm) |
Head Thickness
(mm) |
Socket Length
ℓ
(mm) |
Guaranteed Torque
N・m |
D |
Small |
Large |
T |
Small |
Large |
Small |
Large |
RM-21×21H |
52.0 |
32.5 |
32.5 |
20.0 |
10.0 |
10.0 |
573.7 |
573.7 |
*JAN Codes are shown by 6 digits numbers which removed as maker code (4975180).
*The price is for each unit.

Use
- Suitable for bolt and nut fastening work that requires strong tightening.
- Suitable for removing rusty form tie nut as well.
Caution
- The large nominal size size is suoer ling socket type.
- Chose proper size which suits to the size of bolt and nut.
- DO NOT extend the handle by inserting a pipe.
- Please DO NOT use this item as a hammer.
- Connect to safety code for fall prevention to use at height.
- DO NOT use for purposes other than as hand tool.