Our this is an upgraded wiper repairer, special double-ended design, when opened, there are durable sand rails on both sides of one end, divided into coarse sand and fine sand, which can be aimed at light to moderate wiper wear; There is a recessable wiper groove on the other end that can be used to cut the wiper strip for heavy wear. The problem of the front windshield not being cleaned can be solved at the root. No more worrying about the high cost of replacing your wipers frequently. Fits most family cars, trucks or motorhomes. The product size is 6.10" x 3.54" x 1.02", and it supports customized logo, which is a great gift for customers. The prices for 3000pcs or over are based on ocean shipments.