Sectors are frictional. Inserts are frictional

660х450х10
Forge and press equipment
900 ± 50 g

620х540х7
UD5-03-801-08
Forge and press equipment
250 ± 20 g

80х30
32-801
Mechanical press
350 ± 20 g

308х226х8
UD5-03-801-03A
Mechanical press
150 ± 20 g

378х284х9
UD5-03-801-04A
Mechanical press
180 ± 20 g

475х333х10
UD5-03-801-05A
Mechanical press
380 ± 20 g

614х406х10
UD5-03-801-07 (polished)
Mechanical press