High Density3.15 gram per piece. Adding lead tape will increase the swing weight of a golf club, increasing the feel of more weight or heft during the swing. Improve Your SkillPackage Comes with 10 pieces. Each piece is 1cm wide by 5cm Long. The lead tape help you to exercise your power and skill. Adhesive BackedAdhesive backed so it sticks securely to the club. By using and changing lead tape placement, you can change ball flight. Easy To Use Just remove the release paper on the back, and put it on where you want increase Weight. Please clean the place you want to stick first. WARNINGTHIS PRODUCT CONTAINS CHEMICALS, INCLUDING LEAD. PLEASE WASH YOUR HANDS AFTER HANDLING. Golf lead tape is extensively used by golfers alike to adjust both weight and balance on golf clubs, grips, and shafts without needing to install complicated swing weights. Lead tape can be used to troubleshoot problem spots in your swing to cut down on your learning curve when switching to new clubs. Our High Density lead tape can add weight to the back of a wooden, iron or titanium wood head. Specifications: Dimension: Approx5*1cm per piece Material: Lead alloy Package Includes:10*Lead Tape Strips