Benchmark Straps 20mm NATO Watchband + Spring Bar Removal Tool - Lightweight with Brushed Hardware Waterproof, lightweight, woven nylon strap with heat-sealed holes. Included Spring Bar Tool ($5.50 value) enables you to change the watch strap yourself. A NATO style watchband is a easy way to give your old watch a new look. Maintenance free, brushed stainless steel hardware resists corrosion. Total length of the band is 10 3/8". The smallest size of the 13 holes is 5 3/4" and the largest is 9".