while electronic overload protection and unibody construction provide additional durability

Different materials

405 Bristle Brush

8V XR and 12V XR tools and chargers

especially cup and saucer shapes

Milwaukee 18V 4.0Ah REDLITHIUM™ Battery M18B4 MT58K while electronic overload protection andDelivers maximum runtime, maximum power and more recharges than standard lithium ion batteries. The M18 REDLITHIUM ION 4. 0Ah Battery features superior pack construction, electronics and performance to deliver more work per charge and more work over pack life than any battery on the market. With MILWAUKEE durability built into each pack, this battery runs cooler and performs in climates below 0F 18C. Managed by MILWAUKEEs exclusive REDLINK