Single flat woven webbing slings with soft eyes, type B, and single flat woven webbing slings with metal fittings, type C, and/or reevable fittings, type Cr, shall be made from 1, 2, 3 or 4 layers.
The designation shall give the type letter and number of layers, e.g. A2 (see table 2, abstract from BS EN 1492-1:2000+A1:2008).