ITEM NAME:2pcs Stainless Steel Universal Extension Adaptors Sealed Tyre Stem Braided Features: Made of copper nut and 304 stainless steel braided flexible hose with an aluminum alloy clip to fix the adapter. Universal type, used directly with the tire , there is a clamp/fastener to work directly with the two wheels. Simple job Fit for trucks, RVs, campers, trailers, or other heavy vehicles. Easy to install it with own hands, and the slim size is portable. Tyre extension length: approx.200mm. Specifications: Material: stainless steel, copper Color: silver+gold Length:about 200mm Package included: 2pcs x extension adaptors 2pcs x securing clip Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement..Tyre extension length: approx.200mm. Made of copper nut and 304 stainless steel braided flexible hose with an aluminum alloy clip to fix the adapter. 2pcs x securing clip. Universal type, used directly with the tire, there is a clamp/fastener to work directly with the two wheels.