13pc Tungsten carbide tipped metal borer set 913U1
Use the same arbor for saw heads of different sizes.
Change saw heads with a simple push and turn the fixed screw.
H.S.S. center drill is replaceable.
Shank size of the arbor is 3/8".
Spring can help slug removal.
Contents:
1pc Arbor
1pc Spring
2pc H.S.S center pilot drill 75; 84 mm
2pc Hex key 3; 4.0 mm
913U1 7pc Saw head 19; 22; 25; 28; 30; 32; 35 mm