You are bidding on 1 set consists from 5 new carbide inserts.
I use a same on my own Rottler SG8 machine so quality is excellent.

For Rottler SG8 automatic seat and guide cutting machine and same Newen, Serdi, Goodson with following specs:

Carbide inserts tips for Rottler, Serdi, Newen, Goodson or for any 3 angle cutting seat system with high quality:

 Insert #1 α=45°, b1=1.0 mm; β=30°, b2=1.0 mm; γ=60°

Insert #2 α=45°, b1=1.5 mm; β=30°, b2=1.4 mm; γ=60°

Insert #3 α=45°, b1=2.0 mm; β=30°, b2=1.4 mm; γ=60°

Insert #4 α=45°, b1=3.0mm; β=25°, b2=1.4mm; γ=60°

Insert #5 1-angle insert α=94

HIGH QUALITY PRODUCT EXPORTED ALL OVER THE WORLD