KARCHER Sand / Wet Blasting Kit 2638792KARCHER Sand Wet Blasting Kit Order No. 2. 638 792. 0 Sand and wet blasting set for removing rust, paint and stubborn dirt using Krcher abrasive Features & Benefits: Especially powerful Full cleaning power Effectively removes stubborn dirt Application Area's: For removing rust and paint. For removing stubborn dirt. Compatible with: K2, K3, K4, K5, K6, K7 Alternative part numbers : 2638792, 2. 638. 792, 26387920