Spatula Taper Blades Taper Blade Please see below our full range of Taper Blades Taper Blade - Nickel Laboratory flat taper blade, nickel 200 spec (minimum 99.6% nickel content), bright finish.Supplied in standard pack of 5. About Nickel Part Number Material Nominal Length (mm) Nominal Narrow End Width (mm) Nominal Wide End Width (mm) 2102 Nickel 90 15 25 2103 Nickel 120 15 25 2104 Nickel 150 18 30 2105 Nickel 180 20 35 Taper Blade - Stainless Steel Laboratory flat taper blade, stainless steel 304 spec 18/8 non-magnetic, bright finish. Supplied in standard pack of 5. About Stainless Steel Part Number Material Nominal Length (mm) Nominal Narrow End Width (mm) Nominal Wide End Width (mm) 2121 Stainless Steel 90 15 25 2122 Stainless Steel 120 15 25 2123 Stainless Steel 150 18 30