The NELA MAX Plastering Trowel System features a trowel design that gives you accurate control and precise finishing whilst also being incredibly lightweight. NELA MAX System Set - Variety of sizes available. Thanks to its innovative style shank and slide-on blade, the NELA MAX plastering trowel systems allow you to change blades to suit your style of plastering technique. The trowel has a lightweight plastic blade, innovative slide on trowel blade design with a robust metal shank and unique BiKoGRIP trowel handle. The NELA MAX Plastering Trowel System features a trowel design that gives you accurate control and precise finishing whilst also being incredibly lightweight. NELA MAX System Set - Variety of sizes available. Thanks to its innovative style shank and slide-on blade, the NELA MAX plastering trowel systems allow you to change blades to suit your style of plastering technique.