449-0637, Ruland, Ruland Shaft Collar, One Piece, Clamp Screw, Bore 30mm, OD 54mm, W 15mm, Plastic, Brand Ruland, Shaft Diameter 30mm, One/Two Piece One Piece, Material Plastic Ruland Shaft Collar, One Piece, Clamp Screw, Bore 30mm, OD 54mm, W 15mm, Plastic