ZAP With Confidence / NIKKEN SOLITENS TENS UNIT BOOK TBP A "How to Manual" for using acupuncture points to maximize TENS results and12 Nov 2014 Its official! We have the wrist strap & cords back in stock for the Nikken Solitens SW103B. We have a special deal to celebrate the return of the 19 Apr 2015 Its official! We have the wrist strap & cords back in stock for the Nikken Solitens SW103B. We have a special deal to celebrate the return of the After Nikken discontinued the Solitens unit we still had high demand from our customers for a simple to use tens unit. We are pleased to present an upgrade from Wrist Strap and Cord for Solitens SW103B and Stimplus – This item is not a Nikken manufactured or distributed item. This item will no longer be sold on this site.