1pc Coil Nailer Spare Parts Control Valve Unit Trigger Valve TVA6 Nail Gun Parts for Bostitch Max CN55 CN70 CN80 PAL90-CA0123 1pc Coil Nailer Spare Parts Control Valve Unit Trigger Valve TVA6 Nail Gun Parts for Bostitch Max CN55 CN70 CN80 PAL90-CA0123. Sale price : $11.27 Category : Tools