This premium built crossbow stringer offers you a simple design to help make your life easier to string those 150 lbs crossbow so now you can stop struggling to strung the string. The longer length makes it easier to assemble your 150 LBS crossbow so you can easily slip the crossbow string onto the prod. It comes included with a full instruction booklet on how to string your 150 LBS crossbow with ease. Overall Length: 31 Inches