supply of battery operated 3/4 square drive 1600nm & 18v cordless caulking gun. , battery operated 3/4 square drive 1600nm fastening brushless motor rail tightening machin e(cordless impact wrench) with special extra long socket 41 mm, 32 mm & 28 mm with mobile connectivit y feature with additional socket for plate screw removal and insertion, capable of customization through sm artphone like tool remote locking, geo fencing, controlled speed/torque. with spare battery . make- bos ch/makita/dewalt or similar. [ warranty period: 12 months after the date of delivery ] ] , supply of 18v cordless caulking gun similar to model no. dcg180zb (holder b set only) with power source kit having two batteries similar to model no. bl1850 and one charger similar to model no. dc 18rc make-makita/dewalt/bosch or similar. [ warranty period: 30 months after the date of delivery ] ]