... vanadium steel Finish:sanding chrome plated8pcs 1/4"Dr.Deep Socket Size:6mm,7mm,8mm,9mm,10mm,11mm,12mm,13mm Material ... vanadium steel Finish:sanding chrome plated4pcs 1/2" Dr.Deep Socket Size:14mm,15mm,17mm,19mm Material:chrome vanadium steel Finish ... :sanding chrome plated2pcs Spark plug socket Size:1/2" Dr.x 16mm & 21mm Material:chrome vanadium ...