Malco Tools CG20 Professional Square Piston Design Caulking Gun, 1/10 Gallon TRMS 1/2-Inch) securely hold nuts and

1/2-Inch) securely hold nuts and bolts

Magnetic end helps hold screws in place

Receiver powers off automatically after approximately three minutes of non-use to conserve battery life

Extra-long shaft provides full reach of 4 standard-blade screwdriver

Laser markings for quick part identification

Malco Tools CG20 Professional Square Piston Design Caulking Gun, 1/10 Gallon TRMS 1/2-Inch) securely hold nuts andMalco Tools CG20 Professional Square Piston Design Caulking Gun, 1 10 Gallon Heavy duty professional caulking gun models with thumb activated pressure release. Designed for use with a spouted cartridge. Powerful ratcheting action minimizes worker fatigue or need to warm up caulk. User can regulate stroke to fit hand. Square piston rod may be rotated to expose new gripping surface and increase service life of tool. Hand puncture wire folds inside