Features: Handle Space aluminum.This list is for a size hat measuring tool. Adult ruler :49-62CM/19.29-24.41 inches.Fits most adults' hats. You can measure the inside length of the hat finding inch-centimeters scale in front of you. Headwear tools are essential for hats manufacturing business as hat making tool and sizer tool. It has a compact size and rather light weight, so you can take it with you any for time anywhere. Hat making tool having design, high quality metal and safe fastening for life-time using. Specifications: Stainless Steel+Brass Size: 49-62cm/19.3-24in Note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Hat Ruler