iso 8 9 grade herringbone gears

{"cid":"91212205","title":"158 Tooth Herringbone Gears Durable Steel Material and ISO 8-9 Grade Accuracy for Optimal Performance","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/14\/79\/71d43c7b6161f668d5dacfbdb843-200x200-1.jpg","attrs":{"Brand Name":"YIZGEAR","Minimum Order Quantity":"1 Pcs","Delivery Time":"30 Days","Place of Origin":"CHINA","Payment Terms":"L\/C, T\/T","Supply Ability":"20 Sets\/Month","Packaging Details":"Plywood Crate","Compatibility":"Can Be Used With Other Gears Of The Same Module","Tooth Number":"158","Hs Code":"84834090","Face Width":"Depends On Size","Inner Type":"Taper Hole","Material":"Steel","Accuracy":"DIN Class 8","Usage":"High-speed And Heavy-duty Applications"}}