Material: case hardened steel Spherical washers DIN 6319 C 31 = 98 PCS Spherical washers DIN 6319 C 34 ( for M33) = 8 PCS Spherical washers DIN 6319 C 43 = 56 PCS Spherical washers DIN 6319 C 50 = 8 PCS Spherical washers DIN 6319 C 58 = 24 PCS Conical seats DIN 6319 D 35 = 98 pcs Conical seats DIN 6319 D 38.5 ( for M33 ) = 98 pcs Conical seats DIN 6319 D 49 = 56 pcs Conical seats DIN 6319 D 56 = 8 pcs Conical seats DIN 6319 D 65 = 24 pcs