ITEM NAME:20 PCS M8 Bolt Nuts Protection Caps, Hexagonal Heavy Duty Nylon, Protect Against Description: Intended for Hexagon shaped Bolts & Nuts Improving the Finished Appearance of your Product Hexagonal Heavy Duty Nylon Protect Against Weathering & Tampering Enhance Finished to Nuts & Bolt Heads Specification: Bolt & Nut Caps / Covers Size: 10x13mm Inner Diameter: 10mm Quantity: 10pc M8x13mm, 10pc M8x14mm, 20Pcs in total. Package Includes: 20 Pieces of Bolt Nuts Caps SKU: ALU0032225019500474.Hexagonal Heavy Duty Nylon. Enhance Finished to Nuts & Bolt Heads. Intended for Hexagon shaped Bolts & Nuts. Protect Against Weathering & Tampering. Improving the Finished Appearance of your Product.