Locking pliers

Double Handle Grease Gun Coupler

Also known as lock-on butter gun coupler, it is essential matching accessory for manual, electric and pneumatic grease guns. The ergonomic dual-lever design realizes fast locking and easy release on standard Zerk grease nipples.

● Labor-saving Double Handle Operation

Two-handle trigger design, one-hand easy operation. Simply squeeze the handles to lock firmly onto grease fittings, squeeze again to detach effortlessly, no more struggling with stuck couplers.

● 6-Jaw Self-Locking Structure

Precision six-claw clamping mechanism provides strong grabbing force. It won’t pop off under high pressure during grease injection. Works for standard metric & imperial grease nipples.

● High Pressure & Leak-Proof Performance

Built-in high-quality rubber sealing gasket. Effectively prevent grease overflow and waste. Max working pressure up to 10000-12000 PSI.

● Premium Forged Steel Construction

Integrally forged steel body with anti-rust surface treatment, wear-resistant and long service life for heavy-duty workshop use.

● Universal Thread Specification

Standard 1/8"NPT internal thread, compatible with most grease gun hoses and butter guns.