General description Improve traction with our Premium Stainless Steel Studs for Worx Landroid Lawn Mower. These spikes eliminate holes in the lawn, enhance performance on slopes, and prevent slipping on rainy days. Technical specifications Material: 304 stainless steel Wheel diameter: 205 mm Thickness: 2 mm Includes: 12 stainless steel Phillips screws (4 x 20 mm) Compatibility and accessories Fits all S and M models (not for 2021 models): S300 [WR130E], M500 [WR141E], M700 [WR142E], M1000 [WR143E], S450i [WR101 SI], S4, 50i [WR102SI], S450i [WR106SI], S700i [WR101 SI], M800i [WR111MI], M800i [WG757E], M900 [WG758E], M1000i [WG796E.1], M50, 0 2.0. [WR165E], M700 2.0 [WR167E] Installation Tools required: Cross drill bit, 1.5 mm drill bit (optional) Assembly Tips: Place your Worx Landroid vertically with one tire facing up. Center the studs on the wheel. Pre-drill holes with a 1.5 mm drill bit. Attach the studs to the tire using the supplied stainless steel screws.