AOIUU 2Pcs Chainsaw Chain Tensioner Adjuster Screw Kits Fit For S-t-i-H-L 021 023 025 MS171 MS181 MS190T MS191T MS210 MS230 MS250 Lawn Mower

Fits: for S-t-i-H-L 019T 021 023 025 MS171 MS181 MS190T MS191T MS210 MS210C MS211 MS211Z MS230 MS230C MS250 MS250C chainsaw. Material Structure: Our chain tensioner adjuster screw kit made of high-strength stainless steel and wear-resistant alloy, rust and corrosion resistant, durable and long-lasting. Precise Adjustment: The chain saw chain adjuster kit ensure that the chain maintains appropriate tension during operation, maintains optimal cutting performance, quickly adjusts chain tightness, and improves work efficiency. Extend Service Life: This chain tensioner adjuster bar plate kit by flexibly adjusting and quickly adjusting the tightness of the chain, abnormal wear between the chain and sprocket is reduced, and maintenance costs are lowered. Wide Compatibility: Chain adjuster screw tensioner chainsaw adjustment screwsuitable for multiple brand chain saw models, with strong universality, meeting different operational needs.