30t and 21t spiral bevel gears

{"cid":"91212205","title":"Gleason Type Transmission Spiral Bevel Gears 1.5 Module 30T And 21T","imgUrl":"https:\/\/img.ismap.com\/nimg\/d8\/6d\/3b319310df9969e8ca779ece25e5-200x200-1.jpg","attrs":{"Price":"$70\/ Piece","Brand Name":"YIZGEAR","Model Number":"SB22082101","Minimum Order Quantity":"2 Sets","Delivery Time":"62 Days","Place of Origin":"CHINA","Payment Terms":"T\/T, L\/C","Supply Ability":"500 Sets\/Month","Packaging Details":"Plywood Crate","Total Height":"14","Tip Diameter":"\u03a646.17","Helix angle":"35\u00b0","Material":"20CrMo","Face Width":"8","Inner Hole":"\u03a632"}}