Replaces Stihl 63PM3 55DRIVE LINKS: 055PITCH: 3/8"GAUGE: .050BAR LENGTH: 16Professional Use Saw ChainVXL: Low-vibration semi chisel cutter with ramped depth gauges and longer top plate.
DRIVE LINKS: 066PITCH: .325GAUGE: .050BAR LENGTH: 16Low-Kickback Saw ChainBPX: Low-vibration Micro Chisel cutters with bumper drive links and standard sequence.
DRIVE LINKS: 072PITCH: 325"GAUGE: .050BAR LENGTH: 18"Low-kickback Saw ChainBPX: Low-vibration Micro Chisel cutters with bumper drive links and standard sequence.
DRIVE LINKS: 066PITCH: .325"GAUGE: .050BAR LENGTH: 16Professional Use Saw ChainLPX Chain: Round-ground chisel cutters with bumper drive links and standard sequence.
Replaces Echo 20LPX72CQ, RedMax 576127001Fits RedMax G 5000, G 5000 AVS, G 5300Fits Echo CS-450P, CS-500P, CS-550PDRIVE LINKS: 072PITCH: .325"GAUGE: .050BAR LENGTH: 18Professional Use Saw ChainLPX Chain: Round-ground chisel cutters with bumper drive links and standard sequence.