Tsumura Light & Tough bar is modified to reduce weight by incorporating a unique design, dove-tailed notches are staggered and cut into the bar surface and packed with hard resin which reduces the weight of the guide bar by about 20% 

Tsumura Light Weight bar is Designed for continued professional use.

• One-piece solid SKS-51 steel.
• Laser-cut for precise fitment.
• Specially heat-treated for superior hardness and longevity.
• Replaceable sprocket nose with grease point to extend bearing life.
• Length select from drop-down menu
• Pitch options 3/8" or .404" 
• Gauge .063" 1.6mm

Mount fits Stihl chainsaws listed below

Chainsaw models listed were often factory fitted with different pitch sprockets, check your saw before ordering. 

STIHL: 030, 031, 032, 034, 036, 038, 039, 040, 041, 042, 044, 045, 046, 048, 500i, 056, 064, 066, E15, E20, E220C, FARMBOSS, MS310, MS311, MS360, MS361, MS362C, MS380, MS381, MS390, MS391, MS440, MS460, MS461, MS462C, MS500i, MS650, MS660, MS661

Note: mixing pitches will cause non-repairable damage and void warranty. Drive Sprocket pitch, Chain pitch & Bar Nose Pitch must be identical, check your chainsaw before ordering.