DEN DF DM555UDX Ultra Ding Massager ship 95 Dent Fix's revolutionary Dual Chamber ship 26lb 35lb Dent Fix's revolutionary Dual Chamber Separating System transforms your compressed shop air into an endless supply of both regulated & high pressure nitrogen The DF EXN1G EZ Nitro Plastic Welder's on board nitrogen generator eliminates bulky nitrogen tanks The new and redesigned pulling tabs provide the technician with more choices and nib surfaces for better fitment which improves grip when repairing the many varieties of dings and minor dents from small to large 15 improved varietties of pulling nibs and hand t puller for hand pulls