Steps 1 Split the old battery wraps cover Steps 2 Put on the new battery wraps cover Steps 3 Adjust the new battery wraps cover, make it fit the battery Steps 4 Use the hair dryer to heat the (+) and (-) terminals, the battery wraps cover will shrink after heating. Heat battery wraps cover evenly Jig This handy little tool has 5 different 13mm long sections for different diameter : 1.5mm, 2.0mm, 2.5mm, 3.0mm, and 3.5mm. Made of stainless steel, has long performance life, high quality without any casting lines or burrs, the numbers are very clearly engraved. Super easy to wrap your wires by hands, a great winding tool for many different purposes. Coil Ruler Trimming Net weight: 14g Material: Polycarbonate(PC) Support length: 3.0/3.5/4.0/4.5/5.0/5.5/6.0/6.5/7.0/7.5/8.0mm(11 sizes) Easy To taing Package size (L x W x H): 20*10*5cm 1.diagonal pliers *1 2.cleaning brush * 1 3.decorative ring * 2 4.battery skin * 2 5.rod * 1 6.ceramic tweezers *1 7.folding scissors * 1 8.T-shaped screwdriver *1 9.natural cotton *2 10.slotted screwdriver*1 11.phillips screwdriver *1 12.10ml oil bottle * 1 13.Coil Trimme *1 14.A1 24GA wire 10feet*1 15.carrying bag *1