20 inch skimming blades for drywall

{"cid":"91223751","title":"7PCs Multi Blade Hole Saw HRC38-HRC42 2 Inch Holesaw For Plywood","imgUrl":"https:\/\/img.ismap.com\/nimg\/ef\/25\/9cc7fc1625f15093194f99d21b6a-200x200-1.jpg","attrs":{"Brand Name":"OEM\/ODM","Delivery Time":"45 days","Place of Origin":"ZHEJIANG,CHINA","Packaging Details":"Double Blister","Supply Ability":"100,000 units per month","hardness":"HRC38-42","Package Contents":"Hole Saw, Arbor, Pilot Drill","Cutting Depth":"Up To 2 Inch","Shank Type":"Hex","Application":"For Cutting Neat Holes In Wood, Plywood And Nonlaminated Plastics","Material":"65Manganese Steel","thickness":"0.5mm","Tooth Geometry":"Serrated"}}

{"cid":"91144797","title":"3 Tons Hydraulic Cutting Stud And Track Roll Forming Machine 13 Roller Stations","imgUrl":"https:\/\/img.ismap.com\/nimg\/d8\/bc\/d243224df69bd01099a29f7b23be-200x200-1.jpg","attrs":{"Price":"negotiable","Brand Name":"Sussman","Model Number":"SS-CU","Minimum Order Quantity":"1 set","Delivery Time":"Shipped in 60 working days after payment","Certification":"CE, SGS, ISO","Place of Origin":"Wuxi, China","Supply Ability":"10 sets per month","Packaging Details":"Standard package with film, plastic and steel wire. (or customized)","Forming stations":"13 stations","Material thickness":"0.4-1.2mm","Roller material":"GCr15, coated with chrome","Main motor power":"7.5Kw","Rolling speed":"8-20m\/min","Hydraulic cutting power":"4kw"}}