Made of alloy steel material and exhibits superior toughness.2. M14 Flange Nut allows angle grinder accessories to be easily clamped and loosened without tools.3. Angle grinder spanner is very suitable for tightening and loosening the chuck so that the drill bit can be easily replaced.N0TE: Outer Nut Size: 5/8"-11, suit for 4-1/2",5" and 7" grinders that have a 5/8"-11 threaded shaft.
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