Sigma Genuine Tripod Collar SIGMA Tripod Socket TS-111 Kit - Brand: SIGMA - Product Name: TRIPOD SOCKET TS-111 Kit - Included Items: Box, Instruction Manual, Bagged Parts - Color: Black - Type: Tripod Socket (Tripod Collar) Compatible Lenses: 100-400mm F5-6.3 DG DN OS Contemporary 020 (L-mount, E-mount, X-mount) 105mm F1.4 DG HSM Art 018 (SA-mount, E-mount, L-mount) Retail Price: 11,000 yen Almost no scratches. I've heard there are changes in products recently. No returns accepted. Please confirm the model number before purchasing.