ITEM NAME:Solid Steel 30-60-90 Angle Blocks and 45-45-90 Angle Plate Set Plates (2pcs Set) Description: Hardened steel, Precision ground angles 2pcs Angle Plate: 45/45/90 Degree & 30/60/90 Degree Precision Ground Angle Four holes for easy mounting 45 degree angle plate size: 3x3x1/4inch 30 degree angle plate size: 2x3-3/8x1/4inch Specification: Material: steel 65Mn Quantity: 2pcs/set Package Includes: 2 Pieces Angle Plates SKU: DMO0009417979009088.2pcs Angle Plate: 45/45/90 Degree & 30/60/90 Degree. Hardened steel, Precision ground angles. 2 Pieces Angle Plates. Precision Ground Angle Four holes for easy mounting. Material: steel 65Mn. Quantity: 2pcs/set.