The legendary Worm Drive SKILSAW has been reborn to become the world's lightest worm drive saw! The MAG77LT 7-1/4 in. Magnesium Worm Drive Skilsaw has all the power and performance of the worm drive SKILSAW you love, but 4 lb. lighter to reduce user fatigue. The only thing taken out of the MAG77LT was the weight. The MAG77LT is still packed with lots of features such as a 53 degree bevel with zero adjust and positive stop at 45 degrees, a multi-function wrench stored in the foot that not only can be used for blade changes, it also fits the oil plug, doc and bevel nuts, brush cap, and more. Cut-Ready depth of cut system for quick, accurate depth adjustment, soft-grip handle for comfort and control, integrated saw hook, and anti-snag lower guard. The MAG77LT Worm Drive. More Mag. Less Weight.