Check the listing for details. Rustproofing Wands and Undercoating Wands for RA1 RA1T RA88 RA/M Guns Only. Condition: New. Listed at 25.00 USD. Rustproofing Wands and Undercoating Wands for RA1 RA1T RA88 RA/M PMT and Chemicar Spray Guns Only These wands are for use with PMT/Chemicar brand guns only. Unfortunately, they will not work with any other brand guns. RA1RPW is 32" with outside diameter of 10mm and inside diameter of 5mm. Rustproofing Only. RA1UCW is 24" with outside diameter of 10mm and inside diameter of 5mm. Undercoating Only. RA1SWK is a combo set with both wands included. Depending on the viscosity of the sprayed product, a thinner might have to be mixed in (consult product manufacturer for appropriate thinning agent). Some high viscosity products may be too thick to spray through wands. If product is hard to spray through the wand, shortening the wand might help. RA1T Undercoating Gun RAM Heavy Duty Undercoating Gun