Check the listing for details. Wiha SYSTEM 4 SoftFinish ESD Interchangeable Screwdriver Set, 12 Piece WHA3149. Condition: New. Listed at 191.27 USD. The Wiha SYSTEM 4 SoftFinish® ESD Screwdriver Set is a versatile, space-saving interchangeable tool. Ideal for working on electrostatically sensitive components. SYSTEM 4 interchangeable blades are made from high Quality chrome-vanadium-molybdenum steel, through hardened with a chrome-plated finish. They can reach lengths between 18-90mm. Thanks to the SYSTEM 4 interchangeable blades, the required blade profile can be quickly and easily inserted and the blade length fixed to requirements. The simplest and safest way for our customers to pay for items is through PayPal. This is the primary option on eBay and is the quickest way to complete postage. We do also accept credit and debit cards and you can contact us via the 'Business Details' section on eBay to complete payment. We do deal with.