Features: * Made of materials, more durable *Part number 310585001 *For Ry-obi models R10585012 310585001 RY34000 4-Stroke Gas Drive Head RY34420 Gas Thread Cutter RY34440 (S430) Gas Thread Cutter RY34421 4-Stroke Gas Thread Cutter RY34001 4-Stroke Gas Powerhead Trimmer RY34426 30cc Thread Cutter RY34446 30cc Thread Cutter RY34006 30cc Power Head Trimmer RY13015 30cc 4 Stroke Trimmer with Wheels RY34425 Thread Cutter RY34445 Thread Cutter RY34441 4-Stroke Gas Thread Cutter RY13016 4-Stroke Trimmer with Wheels RY34007 30CC Power Head Trimmer RY34427 30CC Thread Cutter RY34447 30CC Thread Cutter *Colour: as shown in the pictures. Package Content: 1 x fuel tank.