Product name: M15 single pulley Material: 304 stainless steel Color: silver Size: total length of the pulley:64mm/2.52inch,inner width of the swivel ring:12.2mm/0.48inch,diameter of the wheel:14.4mm/0.57inch,width of the groove:6.6mm/0.26inch Weight: about 40g/pcs Package contains: 3 x 304 stainless steel single pulleys Note: Product dimensions are measured manually, there will be a slight error, please understand! Due to different shooting angles and lighting, there may be some color difference between the picture and the real thing, please understand!