Dewalt, Dw7187, Miter Saw Accessories, Power Tool Accessories, Laser Systems, Na Adjustable Miter Saw Laser System Dewalt Replacement Parts Are Built With Quality And Are Very Durable. Replace A Worn Out Part Or Have Extra Parts On Site For A Quick Fix. These Are A Must Have For Any One Working With Dewalt Tools. Features: Adjustable Laser Line Allows User To Adjust Line To The Left Or Right Side Of Blade - On/Off Switch Allows Laser To Operate With Or Without Blade Spinning - Protected Laser Diode In Optimum Location Delivers Long-Term Durability While Keeping Laser Diode Clear And Visible - Bright Laser Line Delivers Enhanced Visibility In Low And High Light Locations - Upper Guard Mount Location Line Visibility Through Entire Range Of Motion - Powered By The Saw (No Batteries) - Easy To Install And Calibrate: Installs In About 10 Minutes - Designed Exclusively For Use On The Dw713, Dw715, Dw716, Dw717 And Dw718 Dewalt Miter Saws And Will Not Fit Any Other Dewalt Miter Saw Or Any Other Miter Saw Brand - Specifications: Laser Line: Adjustable - Power Source: Powered By The Saw (No Batteries) - Idle Operation: View Laser Line On Material With Or Without Blade Spinning - Switch: On/Off - Compatible With: Dw713, Dw715, Dw716, Dw718 - Dewalt Is Firmly Committed To Being The Best In The Business, And This Commitment To Being Number One Extends To Everything They Do, From Product Design And Engineering To Manufacturing And Service.