Model DFS452 is an advanced version of model DFS451 and has been developed as a cordless screwdriver that can supersede corded screwdrivers.This set includes 1000 x 35mm x 3.5mm Coarse Thread Collated ScrewsFeatures of the Makita DFS452Z include:Push drive technology.Lock on function.Silent clutch.One touch locator.LED job light with on/off switch.Variable speed control by trigger.Battery fuel gauge.Belt hook.Ergonomic soft grip.Forward/reverse rotation.Includes Collated Autofeed AttachmentEasy to handle autofeed attachment for drywall screwdriversCompact and lightweight, attachment weighs just 0.4kgScrew capacity: 25 to 55mmOne touch attachment/removalAble to fasten screws even in a tight corner, screw depth dial also allows perfect depth controlCompatible with plastic collated screwsMakitas New Lithium Ion Brushless BL MotorsMakitas new Brushless Motors give up to twice the run time of a conventional motor with brushes and an upbeatable 22 minute charge with the DC18RC charger.Key Reasons why to go brushless- Brushless motor draws less amps, works twice as long- Less heat generation extends battery life, reduces frequency of charging batteriesMakita s brushless motor enhances operational performance as well as battery longevity. This enables a Makita 3Ah battery to give users as much work as some competitor s 4Ah products.With the added benefit of a 22 minute charging time you can keep on going all day.Less friction increases motor speed and less heat is generated which improves performance and extends machine life.