NSK Handpieces: The NSK ER4 4:1 Reduction Contra Angle Attachment is autoclavable NSK up to 135° and delivers a 4:1 Reduction Ratio.
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Dental contra angle handpiece AI-AR-ER4 4:1 ratio 360 degree rotation prophylaxis low speed snap-on cups brushes hand piece
NSK UK - Product Catalogue (revised 2023) by NSKUK - Issuu
Endodontic Contra-angles|NSK-Nakanishi International
Angle and normal handpieces
Slowspeed Handpieces Precision Dental - Part 3
Nsk, Attachment, EX Series, ER4 angle, 4:1 Speed reduction, Green band
Dental prophylaxis contra-angle - EVA-ER4 - NSK - reduction
NSK 4:1 Reduction Contra Angle
NSK EVA-ER4 Prophy Combo (For EVA Tips)