Buffalo Dental 07990 muslin buff, 30 ply, 4 inch diameter. Buffalo Dental 07990 muslin buff, 30 ply, 4 inch diameter. Multi-ply muslin buffs for application of polishing materials and fast polishing action.. center holes designed for tapered chuck mounting. 30 ply. 4 inch diameter..... center holes designed for tapered chuck mounting. 30 ply. 4 inch diameter....