Features: Material: The door floor guide made of steel, it is of strong strength and long durability. Easy to Install: No groove required for door. No holes drilled in the floor. It doesn't take much time to install. Application: This guide wheel is dedicated to automatic doors, sliding doors, framed doors, wooden doors, metal doors. Meet all your needs. Excellent Design: The silver exterior design meets most decorative styles, both beautiful and practical. It matches beautifully with all kinds of doors. Size: Two sizes for you to choose, S adjustable range is 10-35mm/0.39-1.38inches, L adjustable range is 35-58mm/1.38-2.28inches. Specifications: Material: steel Color: silver Size: S, L S size(L x W x H):about 90x40x45mm/3.54x1.57x1.77inches L size(L x W x H):about 120x40x45mm/4.72x1.57x1.77inches S adjustable range: 10-35mm/0.39-1.38inches L adjustable range: 35-58mm/1.38-2.28inches Types: A, B Package included: 1pc x sliding door track 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. 1) We accept Alipay, West Union, TT.All major credit cards are accepted through secure payment processor ESCROW. 2 If you can't checkout immediately after auction close, please wait for a few minutes and retry Payments must be completed within 3 days. 1) WORLDWIDE SHIPPING. (Except some countries and APO/FPO) DHL UPS TNT FEDEX takes 3-7 days ,EMS takes 8-12 days. Post air mail need 2-8 weeks.But all of them are dependent on the country delivered to. 2) SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit times may vary, particularly during the holiday season. 1) Buyer's early confirmation will be highly appreciated after receiving the items. 2) Since your feedback is very important to our business's development, we sincerely invite you to leave positive feedback for us if you are satisfied with our product and service. 3) Please contact us before leaving any negative or neutral feedback. We will work with you to solve any problems.Thank you for your understanding!