Product Description<br> ZhenT Non-slip Garage Door Spring Winding Bar is an upgrade tool after searching many problems customers may meet in daily use，compared to normal winding bars,our bars have non-slip handles and<br> colored end to ensure it is inserted to the full depth.Premium 45 steel and heat hardened technology,make our bars quite sturdy.Choose our product,and it will save you over $100 bill from a garage door company.<br> Technical Specification<br> Brand Name:ZhenT<br> SKU:ZT-002<br> Length:18 inch<br> Material:45 steel<br> Weight:2 pounds<br> Diameter:0.5Inch<br> Surface Treatment:Zinc plated<br>