Review on Versatile Stainless Woodworking Crafting Scrap Booking Projects: A Must-Have for DIY Enthusiasts by Shane Schobinger

I use this to measure holes for betting. It's easier to align the lines on either side of the midpoint to separate the space between existing holes or marks. Much easier than doing the math by hand and faster for people like me. It works for me and is less embarrassing than asking my husband to do the math for me.