Types

• Type AM: Star knobs Aluminum, matte finish (tumbled), threaded stud stainless steel

• Type AP: Star knobs Aluminum, polished, threaded stud stainless steel

• Type ES: Star knobs Stainless Steel, AISI 303

• Type A4P: Star knobs Stainless Steel, AISI 316

Knob

Aluminum

Forged

Matte finish (tumbled) AM

Polished AP

Stainless steel precision casting AISI CF-8 ES

Matte shot-blasted

Stainless steel precision casting AISI 316 A4P

Polished

Threaded stud

Stainless steel AISI 303

The threaded stud is screwed in and secured by a cross-dowel.