These are double butted with a 2mm / 14 gauge spoke nipple thread which tapers down to 1.5mm / 15 gauge then back to round 2mm for the J bend of the spoke. The DT Revolution spoke The spoke is Stainless Steel Silver steel J Bend.
10 x DT SWISS Stainless double butted spokes 2.0/1.8/2.0mm 270mm inc nipples
DT Revolution ED Black Double Butted Spokes 14 - 17 gauge 2 - 1.5mm 248 - 264mm
DT Swiss Competition Double Butted Spokes 2.0-1.8-2.0 Silver Stainless Steel
40 x 292mm 15 Gauge DT Swiss Stainless Spokes & Nipples 1.8mm Diameter J Bend
10 x DT SWISS Stainless Plain Gauge spokes 2.0mm 282mm inc nipples
DT COMPETITION BLACK double butted 258 268 270 280 284 306 straight pull spokes