• Patented revolutionary magnetic interconnect technology (U.S. Patent 5,004,425)
  Creates magnetic connection between wristband and coil cord; meets ESD S1.1, including disengagement force test (1-5 lbs)
• More reliable design
  Longer lasting, no moving parts
• Includes 4mm steel capped parking station adapter
  Allows users to use new MagSnap® interconnect system with constant monitors using 4mm snap studs for parking station
• RoHS compliant Manufactured using lead free solder
• Premium metal expansion wrist strap
  Comfortable, designed not to pinch or pull hair
• Durable metal band
  Long wearing, easy to clean
• Superior contact with skin
  For reliable removal of generated static charges
• Non-flaking or scratching laminated insulator on all external surfaces
  Protects wearers from electrical hazards; provides many years of product life
• UL listed - coil cord includes 1 megohm resistor
• Date coded
  Providing lot tractability to ensure quality control
• Superior resistor connection strain relief
  Superior reliability. Greatly exceeds ESD S1.1 Bending Life Test. Tested at over 1,000,000 cycles vs. the 16,000 requirement
• Lifetime warranty on coil cord strain relief
  See details
• To see MagSnap® magnetic connection, click here
• Made in America

What the ESD Association says about testing wrist straps:

Per ESD Handbook TR20.20 section 5.3.9.1 Wrist Strap Checkers - “Wrist strap checkers have historically been the primary tool for testing the operation of the wrist strap system including, the wristband, grounding cord and most importantly, the electrical integrity of the contact between the wristband and the wearer. Wrist strap checkers measure the resistance of the entire system.”

Circumference - Regular: 5.5" - 13"
NOTE: All bands have a 4mm snap stud. Complete wrist strap kits include an alligator clip. Wrist strap kits include an alligator clip for occasions when a grounded banana jack is not available. However, best industry practice is that ESD Ground Connections should be firm fitting connecting devices such as metallic crimps, snaps and banana plugs to be connected to designated ground points. Use of alligator clips is not recommended. (Ref: JEDEC Standard No. 625-A)

Jewel® Wrist Bands meet and exceed the Wrist Band and Wrist Cord requirements of ANSI/ESD S20.20 except that ESD S1.1 paragraph 5.9 states "Only wrist straps incorporating a nonstandard [resistor] value shall use the color red on any portion of the wrist strap."

ANSI/ESD S20.20 Paragraph 6.2.2.1 Personnel Grounding Requirement "All personnel shall be bonded or electrically connected to ground or contrived ground when handling ESD sensitive items. When personnel are seated at ESD protective workstations, they shall be connected to the common point via a wrist strap system."