The Lumatic Safe-Lock Grease Coupler has been made to a highly precise specification. With 4 hardened tool steel jaws that provide a secure connection, once clicked on to the grease nipple it can only be released by pressing the lever down. There is no spurt/mess when uncoupling. Made in Germany. 1 x Lumatic Safe-Lock H.D. Mato Grease Coupler (32mm Standard Reach).