Not sure what wrist strap fits your application?
Metal expansion wristband
Used with a coil cord to create a path-to-ground for an operator with resistance <3.5 x 107 ohms per the required limits of ANSI/ESD S20.20, tested per ANSI/ESD S1.1 or ESD TR53.
Stainless steel back plate and insulative plastic link cap
Creates a more reliable path-to-ground1 for the operator.
- Use with single-wire coil cord with 4mm female socket snap (not included)
6.63 inches to 7.13 inches in circumference
Made in the United States of America
1. Metal expansion bracelet style wrist cuffs may trap moisture underneath and can be more effective for people with dry skin." [ESD Handbook TR20.20 section126.96.36.199.3]