Amazon.com : SmallRig Seamless Follow Focus Ring Set of 4, with AB Stop and Non-Slip Rubber, Standard M0.8 Focus Gear Ring, Compatible with SmallRig Follow Focus 3010B, 3850, 3781, 3918-4187 : Electronics
20pcs Black Nitrile Butadiene Rubber NBR O-Ring 1.8mm Inner Dia 0.6mm Width | Walmart Canada
O'RING VITON 10.77 X 2.62 MM | Australian Vacuum Services
O-ring in Silicone - Cuscinetti e Componenti
Anello O-Ring OR //AJADAA//
Guarnizione O-ring in gomma fluorurata CS 6 mm diametro esterno 30 mm-650 mm Guarnizione O-ring in fluoro-ossigeno Guarnizione anello resistente alla corrosione Guarnizione termica indossabile-OD 30 m : Amazon.it: Fai da te
ANELLI O-rings NBR 4187 (3.53x47.22)
O-RING 4187 Sez.3.53 mm 47.22 NBR
4187-5875-500TC Oil Seal (4-3/16 x 5-7/8 x 1/2 Inch)