· Fits vehicles with wheel studs requiring a 1/2 -20 thread and wheels that take a conical 60 degree conical taper. · 5/8 total height. · Cr+3 zinc plated steel. · Installs with a 13/16 socket. · Replace your worn, stripped, or missing lug nuts with a set of these 1/2 open end acorn style lug nuts. Carbon steel that meets SAE automotive industry standards for strength and durability. Package Includes: 20pcs Trailer Wheel Lug Nuts. 【FIT】For 1/2 wheel bolts, widely used on trailer hub/wheel. Package includes 20PCS trailer lug nuts, sufficient quantity will meet your daily use and replacement need. 【SIZE】1/2''-20 Trailer Nuts, 1/2 threads, 20 threads per inch, 5/8 height with 60 degree tapered angle. Use 13/16 socket wrench. Please check the size before order. 【PRECISE THREAD】Threads are clean and burr-free. Smooth threaded connection, tightened down without issue. Precise thread pitch to match your wheel exactly, not easy to fall off. 【NO RUST】Nuts surface galvanized. Ensure that nuts are corrosion and rust resistant in bad environments. 【STURDY AND DURABLE】Trailer hub nuts are made of high quality carbon steel, sturdy and durable, stable performance and long service life. 【SATISFACTION GUARANTEE】- For whatever reason, if you are not satisfied, you can contact us for replacement or refund. Please rest assured purchase. ASIN B0BTDC7GHK Brand GREPSPUD Color KIT#5-2 (20Pcs Hub Nuts) Model LS-QC0020-20 Set Name GREPSPUD 20pcs 1/2 -20 Trailer Axle Hub Lug Nuts Set Size Name 20 Metal Type Alloy Steel, Carbon Steel Unit Count 20.0 Count Drive Style Spline Part Number LS-QC0020-20 Thread Size 1/2 Thread Type Unified National Finish Types Polished Grade Rating Commercial Manufacturer GREPSPUD Thread Class Coarse Thread Style Standard Fastener Type Wheel Item Diameter 0.5 Inches Material Type Alloy Steel Item Type Name 1/2''-20 Thread Trailer Axle Hub Lug Nuts Exterior Finish Zinc Number Of Items 20 Number of Pieces 20 Screw Head Style Open Inside Thread Size 1/2 Included Components 20pcs 1/2''-20 Thread Trailer Axle Hub Lug Nuts Warranty Description Manufacturer warranty for 12 months from date of purchase. Compatible Groove Diameter 0.5 Inches