US SFX ER20 Wrench A Type ER20 Nut Spanner Durable for Clamping Nut

Description

US SFX ER20 Wrench A Type ER20 Nut Spanner Durable for Clamping Nut
Packing Includes:
1PC ER20A Spanner
Features :
The ER 20 nut adopts open end design. Fix accurately and avoid skidding.
High quality medium carbon steel is adopted as materials of spanner head. The surface hardness of spanner is higher than pull studs reaching HRC58-62 which ensures its durability.
Blackening the surface of spanner and installing the rubber handle after chroming gives it a delicate appearance and a comfortable feel.
Each batch of products should be sampled for torque testing to ensure the safety.
Please note: Before using it, please ensure the corresponding size of ER nut for the spanner by checking the junction dimension of ER nut and spanner. If it is not consistent to the ER nut, it is not allowed to use the spanner, avoiding damaging the ER nut or spanner.